Υπολογιστές

Υπολογιστής Κόστους Καυσίμου

Estimate the gas cost of any trip from distance, fuel economy, and the price per gallon.

Υπολογιστής Βενζίνης

Figure out what it costs to top off your tank from its current level.

Υπολογιστής MPG

Compute real miles per gallon from your odometer and gallons pumped.

Υπολογιστής Ταχύτητας

Calculate average speed from distance and time — supports hours and minutes.

Υπολογιστής Χρόνου Οδήγησης

Estimate driving time including planned rest stops.

Υπολογιστής Μετακίνησης

Add up gas, insurance, and parking for the full year of commuting.

Υπολογιστής Κόστους Οδικού Ταξιδιού

Total a road trip budget: gas, hotels, and food, in one shot.

Υπολογιστής Κόστους Φόρτισης EV

See what charging your electric vehicle actually costs per month at home rates.

Υπολογιστής Κόστους Φόρτισης Tesla

Estimate weekly and yearly home charging cost for your Tesla model.

Υπολογιστής Απόσβεσης Αυτοκινήτου

Estimate your car's current value after years and mileage.

Υπολογιστής Συνεπιβατισμού

See how much carpooling cuts your annual commute cost.

Υπολογιστής Μεγέθους Σουτιέν

Calculate your bra size from band and bust measurements.

Υπολογιστής Βαρυμένης Κουβέρτας

Find your ideal weighted blanket weight using the 10% rule.

Υπολογιστής Μεγέθους Τραπεζομάντιλου

Find the right tablecloth size for any table and desired drop length.

Υπολογιστής Κυκλικής Φούστας

Compute fabric size and waist radius for a full circle skirt.

Υπολογιστής Κόστους Ρεύματος

Compute the monthly cost of running any appliance from wattage and use.

Υπολογιστής Κάλυψης Μπογιάς

Estimate how many gallons of paint your room needs.

Υπολογιστής Δαπέδου

Compute square footage and material needed including waste factor.

Υπολογιστής Πλακιδίων

Count tiles needed for any room with waste built in.

Υπολογιστής Στεγαστικού Δανείου

Estimate monthly payments including principal, interest, taxes, and insurance.

Solar Panel Savings Calculator

Estimate annual savings and payback period for a residential solar install.

Υπολογιστής BTU Κλιματιστικού

Find the BTU rating you need to properly cool a room.

Υπολογιστής Φιλοδωρήματος

Compute the tip and per-person split for any bill.

Υπολογιστής Έκπτωσης

Find the sale price and savings for any percent off.

Μισθός σε Ωριαία Αμοιβή

Convert an annual salary into an hourly rate.

Ωριαία Αμοιβή σε Μισθό

Convert an hourly wage to monthly and annual income.

Υπολογιστής ROI

Compute return on investment and annualized return.

Υπολογιστής Περιθωρίου Κέρδους

Compute gross profit and margin from revenue and cost.

Υπολογιστής Χρέωσης Freelance

Work out the hourly rate you need to charge to hit your income goal.

Υπολογιστής Pomodoro

Plan focus blocks and breaks using the 25/5 pomodoro technique.

Υπολογιστής Υπερωριών

Compute weekly pay with overtime at 1.5x past 40 hours.

Υπολογιστής Κόστους Σύσκεψης

Calculate what a meeting truly costs in payroll dollars.

Υπολογιστής Ηλικίας

Calculate exact age in years, months, and days from any date of birth.

Ημέρες μέχρι τα Χριστούγεννα

How many days, hours, and minutes are left until Christmas Day?

Υπολογιστής Κύκλου Ύπνου

Find optimal wake-up or bedtime based on 90-minute sleep cycles.

Ημερομηνία Τοκετού

Estimate your due date and current pregnancy week from your last period.

Υπολογιστής Εργάσιμων Ημερών

Count working days (Mon–Fri) between any two dates.

Στρίψιμο Νομίσματος

Flip a virtual coin — heads or tails, fair random.

Ρίψη Ζαριών

Roll any combination of D4, D6, D8, D10, D12, D20, or D100.

Γεννήτρια Τυχαίων Αριθμών

Generate random numbers in any range, with or without duplicates.

Γεννήτρια Ναι ή Όχι

Let randomness decide. A fair coin flip with words.

Υπολογιστής Ζωδίου

Look up your Western astrological sign from your date of birth.

Υπολογιστής Συμβατότητας Αγάπης

Just-for-fun compatibility score from two names.

Υπολογιστής Κόστους Ντους

Compute the yearly cost of your showers in water and energy.

Υπολογιστής Αντηλιακού

How much sunscreen you actually need per day at the beach.

Υπολογιστής Χρόνου Ανάγνωσης

Estimate how long a book or article will take to read.

Υπολογιστής Ταχύτητας Audiobook

See how much time you save listening at higher playback speeds.

Υπολογιστής ΔΜΣ

Body Mass Index from height and weight, with the standard category breakdown.

Υπολογιστής Θερμίδων

Estimate daily calorie needs via Mifflin-St Jeor BMR and activity multiplier.

Υπολογιστής Πρόσληψης Νερού

Estimate your daily water target adjusted for activity and climate.

Βήματα σε Μίλια

Convert step counts to miles using your stride length or height estimate.

Υπολογιστής Ποσοστού

Solve any percentage question: X% of Y, X is what % of Y, percent change.

Υπολογιστής Τετραγωνικών Ποδιών

Compute area for rectangles, circles, and triangles in square feet.

Εργαλείο Μετατροπής Ρωμαϊκών Αριθμών

Convert any number 1–3999 to a Roman numeral and back.

Δυαδικό σε Δεκαδικό

Convert between binary and decimal in either direction.

Υπολογιστής Κλασμάτων

Add, subtract, multiply, or divide two fractions with auto-simplification.

Currency Converter

Quick approximate currency conversion using static reference rates.

Μεταφραστής Pig Latin

Translate any text into Pig Latin instantly.

Ανάποδο Κείμενο

Flip your text upside down with Unicode tricks.

Μετρητής Λέξεων

Count words, characters, and reading time for any text.

Horsepower Calculator

Compute horsepower from engine torque and RPM using the standard SAE formula.

Tire Size Calculator

Decode a tire size into overall diameter, sidewall height, and circumference.

Compression Ratio Calculator

Engine static compression ratio from bore, stroke, deck, gasket, and chamber volumes.

Rpm Calculator

Compute engine RPM at a given speed from tire size, gear, and final drive.

0 60 Calculator

Estimate 0-60 mph time from horsepower, weight, and drivetrain.

Wheel Horsepower Calculator

Estimate WHP at the wheels after drivetrain losses.

Turbo Size Calculator

Estimate compressor airflow target for a turbo build.

Boost Horsepower Calculator

Estimate boosted HP from a naturally-aspirated baseline and boost pressure.

Bsfc Calculator

Compute brake-specific fuel consumption from fuel flow and brake horsepower.

Wheel Offset Calculator

Compute wheel offset in mm from width and backspacing.

Speedometer Gear Calculator

Estimate the right driven-gear tooth count for accurate speedometer reading.

Boat Speed Calculator

Estimate top boat speed from HP and weight using Crouch's planing formula.

Nautical Mile Calculator

Convert between nautical miles, statute miles, and kilometers.

Crosswind Calculator

Resolve runway wind into headwind and crosswind components.

Flight Radiation Calculator

Estimate cosmic-ray radiation dose for a flight.

Gvwr Calculator

Total your truck's loaded weight and see which GVWR class it falls into.

Fuel Pump Calculator

Estimate fuel flow demand and per-injector load for a given HP target.

Traffic Density Calculator

Compute traffic density (vehicles per mile) from flow rate and speed.

Winch Size Calculator

Find the minimum winch capacity for your vehicle and terrain.

Υπολογιστής Κόστους Στάθμευσης

Compare pay-as-you-go parking against a monthly pass.

Υπολογιστής Κόστους Αλλαγής Λαδιών

Compare DIY vs shop oil changes over a year of driving.

Car Insurance Estimator

Rough estimate of annual auto insurance premiums by age, vehicle, and coverage.

Υπολογιστής Ταχύτητας Ποδηλάτου

Compute road-bike speed from cadence, gearing, and wheel size.

Train Vs Drive Calculator

Compare driving cost against a train ticket, including the value of your time.

Αποτύπωμα Άνθρακα Ταξιδιού

Estimate CO₂ emissions for any trip by mode and distance.

Uber Vs Car Calculator

Compare monthly rideshare spend against the full cost of car ownership.

Miles To Dollars Calculator

Estimate the cash value of your airline miles by program and redemption.

Υπολογιστής Μιλίων ανά Έτος

Total annual driving miles from commuting, leisure, and road trips.

Engine Hours To Miles

Convert engine hours (on a marine or industrial engine) to equivalent automotive miles.

Υπολογιστής Απόστασης

Solve any of distance, speed, or time given the other two.

Toll Cost Calculator

Add up weekly, monthly, and annual toll spend — and the E-ZPass discount.

Υπολογιστής Χρόνου Πτήσης

Estimate flight time from distance, cruise speed, and layover length.

Ticket Optimizer

Should you buy event tickets now or wait? A simple heuristic by time-to-event and category.

Μετατροπή Μεγέθους Παπουτσιών

Convert between US Men, US Women, UK, EU, and CM shoe sizes.

Μετατροπέας Μεγέθους Δαχτυλιδιού

Convert between US, UK, EU, and inner diameter / circumference ring sizes.

Υπολογιστής Μεγέθους Φορέματος

Find your US, UK, and EU dress size from bust, waist, and hip measurements.

Υπολογιστής Μεγέθους Τζιν

Get your W × L jeans size from waist and inseam measurements.

Υπολογιστής Μεγέθους Καπέλου

Find your hat size in numeric, fitted, and S/M/L formats from head circumference.

Υπολογιστής Μεγέθους Ζώνης

Find the belt size to order from your pants waist or measured waist.

Υπολογιστής Μεγέθους Σακακιού

Find your jacket size and length from chest, height, and weight.

Υπολογιστής Μεγέθους Γαντιών

Find your glove size from hand circumference at the knuckles.

Υπολογιστής Μεγέθους Καλτσών

Convert shoe size to sock size (S/M/L/XL).

Υπολογιστής Μεγέθους Μπλουζακιού

Get your t-shirt size from chest and waist measurements.

Υπολογιστής Μεγέθους Παντελονιού

Get your W × L pants size and a hip-to-waist ratio flag.

Μετατροπέας Μεγεθών Ρούχων

Convert women's top sizes across US, UK, EU, AU, IT, FR, and JP.

Μέγεθος Παπουτσιού US προς UK

Convert US shoe sizes to UK in either men's or women's sizing.

Μέγεθος Παπουτσιού UK προς US

Convert UK shoe sizes to US in either men's or women's sizing.

Μέγεθος Παπουτσιού Ανδρών προς Γυναικών

Convert between men's and women's US shoe sizes (1.5-size offset).

Υπολογιστής Μεγέθους Παιδικών Παπουτσιών

Convert measured foot length to US toddler/youth shoe size.

Υπολογιστής Νήματος

How many skeins you need for a project, with a 10% safety buffer.

Μετατροπέας Μεγέθους Βελόνων Πλεξίματος

Convert knitting needle sizes between US, metric (mm), and old UK numbering.

Υπολογιστής Ρέλι Παπλώματος

Compute strips and yardage for quilt binding.

Υπολογιστής Τριγώνου Μισού Τετραγώνου

Cut size and square count for half-square triangles.

Υπολογιστής Φύλλων Κουρτίνας

Compute panel width and required fabric for window curtains.

Υπολογιστής Μήκους Λάστιχου

Find elastic length for waistbands, cuffs, and necklines.

Υπολογιστής Κλωστής Ραψίματος

Estimate thread consumed by a seam from length and stitch type.

Υπολογιστής Μήκους Κορδονιών

Find the right shoelace length for your shoe and lacing style.

Υπολογιστής Χαμένων Καλτσών

Estimate how many socks you've lost to the laundry over the years.

Υπολογιστής Μπικίνι

Get top and bottom bikini sizes from bra size and hip measurement.

Υπολογιστής Ταπετσαρίας

Calculate rolls of wallpaper needed for a room, with waste and pattern repeat.

Υπολογιστής Οικονομικής Δυνατότητας Ενοικίου

Check if your target rent fits the 30% rule and standard DTI limits.

Κόστος Ανακαίνισης Σπιτιού

Get a price range for kitchen, bath, basement, and other renovations.

Υπολογιστής Κόστους Μετακόμισης

Estimate the cost of a local, long-distance, or interstate move.

Υπολογιστής Μεγέθους Γκαζόν

Compute lawn area in square feet and acres, plus seed and mowing estimates.

Υπολογιστής Κόστους Φράχτη

Estimate fence cost by perimeter, material, height, and gate count.

Storage Unit Size

Pick the right storage unit size for your home and items.

Μέγεθος Χριστουγεννιάτικου Δέντρου

Find the right tree height and width for your room.

Χρόνος Καύσης Κεριού

Estimate how many hours a candle will burn from size, wick count, and wax type.

Τιμή R Μόνωσης

Find recommended R-value and additional insulation needed by climate zone.

Dumpster Size Calculator

Find the right roll-off dumpster size for your project.

Internet Speed Cost

See $-per-Mbps and whether your plan suits your usage.

Water Bill Calculator

Estimate monthly water usage and cost from household activity.

Υπολογιστής GPA

Calculate your weighted GPA across up to 6 courses, with letter grades and credit hours.

Υπολογιστής Βαθμών

Compute your weighted course grade across up to 5 assignments.

Υπολογιστής Βαθμολογίας Τεστ

Compute percentage and letter grade from correct answers.

Υπολογιστής Ωρών Εργασίας

Daily, weekly, and monthly hours from start time, end time, and breaks.

Υπολογιστής Τιμολογίου

Subtotal, discount, tax, and total for up to 5 line items.

Υπολογιστής Νεκρού Σημείου

Units and revenue needed to cover fixed and variable costs.

Μετρητής Χαρακτήρων

Characters, words, Twitter remaining, and SMS segments for any text.

Έλεγχος Ισχύος Κωδικού

Score a password's strength locally based on length, variety, and patterns.

Μετατροπέας Μεγέθους Γραμματοσειράς

Convert between px, pt, em, rem, vw, and percent at a chosen base.

Sat Score Calculator

Approximate scaled SAT scores from raw section scores.

Αριθμοί σε Λέξεις

Spell out any number up to a trillion in English.

Γεννήτρια Αντίστροφου Κειμένου

Reverse a string character-by-character or word order.

Nato Phonetic Alphabet

Spell any word using the NATO phonetic alphabet.

Υπολογιστής Χρόνου Μελέτης

Plan study hours per subject given an exam date and difficulty.

Μετατροπέας Ζώνης Ώρας

Convert a time between major world time zones.

Υπολογιστής Ημερομηνίας Συνταξιοδότησης

Find your retirement date and time remaining based on age and country.

Ημέρες μέχρι τα Γενέθλια

Count down to your next birthday from today's date.

Υπολογιστής Ημερών Εργασίας

Count working days between two dates, excluding US federal holidays.

Υπολογιστής Ώρας Ύπνου

Find the best bedtimes to wake refreshed at a target time.

Υπολογιστής Ώρας Αφύπνισης

Find the best wake times after a chosen bedtime.

Χρονόμετρο Αντίστροφης Μέτρησης

Count down the days, hours, and minutes to any future date.

Υπολογιστής Πόσο Καιρό Πριν

Count years, months, days, weeks, and hours since a past date.

Υπολογιστής Κορεατικής Ηλικίας

Convert international age to traditional Korean age.

Υπολογιστής Φάσης Σελήνης

Find the moon phase, illumination, and next full moon for any date.

Palindrome Date Finder

Find all palindrome dates in a given year.

Υπολογιστής Δίσεκτου Έτους

Check whether a year is a leap year, plus the next and last leap year.

Υπολογιστής Διάρκειας Χρόνου

Difference between two times in hours, minutes, and seconds.

Ώρα σε Δεκαδικό

Convert HH:MM to a decimal hour value and back.

Υπολογιστής Audiobook

Plan your audiobook reading pace and yearly book goals.

Διάρκεια Τηλεοπτικής Σειράς

Total runtime of a series across seasons, episodes, and lengths.

Υπολογιστής Binge Watching

Find your binge finish date based on daily watch time.

Υπολογιστής Ανάρτησης Αιώρας

Hang point height, tree spacing, and strap length for a comfy hammock.

Υπολογιστής Μπαλονιών Ηλίου

How many balloons does it take to lift a given weight?

Υπολογιστής Μεγέθους Σκηνής

Find the right tent capacity for your campers, gear, and style.

Υπολογιστής Αριθμολογίας

Compute Life Path and Name numbers from your DOB and full name.

Γεννήτρια Τυχερών Αριθμών

Generate lottery-style numbers seeded by your name and today's date.

Υπολογιστής Ημερών Minecraft

Convert between real minutes and Minecraft in-game days.

Robux σε USD

Convert Robux to dollars (and back) at both direct buy and DevEx rates.

Υπολογιστής Πιθανοτήτων Πόκερ

Rough heads-up and multi-way win probability by hole-card category.

Υπολογιστής Βαθμολογίας Σκακιού

Compute your new Elo after a single game vs an opponent.

Υπολογιστής Πρωτεΐνης

Daily protein target by body weight, activity level, and goal.

Υπολογιστής Μακροθρεπτικών

Daily calories, protein, fat, and carb targets from your body and goal.

Υπολογιστής Σωματικού Λίπους

Estimate body fat percentage with the US Navy method.

Υπολογιστής Ιδανικού Βάρους

Compare your weight to Devine, Robinson, Miller, Hamwi, and healthy-BMI ranges.

Υπολογιστής Ρυθμού Τρεξίματος

Find pace, time, or distance from any two of the three.

Θερμίδες που Κάηκαν

Calories burned for any activity using MET values.

Diaper Calculator

Estimate diapers needed and cost by baby's age and brand.

Cost Of Having Baby

Total estimated cost of delivery plus the first five years.

Expiration Date Calculator

Estimate expected expiration date by item type.

Battery Charge Time

Estimate hours to charge a battery from current to target level.

Linear Inches Calculator

Total linear inches and airline carry-on / checked classification.

Headphone Power

How much amp power your headphones need to hit a target SPL.

Well Volume Calculator

Compute gallons of water in a well from diameter and depth.

Garbage Bag Size

Find the right gallon-rated bag size for your trash can.

Picture Frame Calculator

Compute mat, frame, and overall sizes for any artwork.

Υπολογιστής Κυβικών Ποδιών

Compute volume in cubic feet, yards, meters, and liters.

Δεκαεξαδικό σε Δεκαδικό

Convert between hexadecimal and decimal, with binary preview.

Επιστημονικός Υπολογιστής

Evaluate math expressions with sin/cos/tan, log, sqrt, pi, e, and more.

Βαθμός σε GPA

Convert a letter grade or percentage into GPA points.

Υπολογιστής Πρόκλησης Ανάγνωσης

Track progress on a yearly reading goal and project your finish date.

Πόσος Χρόνος για να Διαβάσεις ένα Βιβλίο

Estimate hours to read a book at your pace.

Σελίδες ανά Ώρα

Measure your actual reading speed in pages per hour and words per minute.

Μέτρηση Λέξεων Βιβλίου

Typical word counts and page estimates by genre.

Υπολογιστής Στόχου Goodreads

Are you on pace for your Goodreads reading challenge?

Σελίδες Kindle

Convert KOLL Kindle pages to print pages and words.

Υπολογιστής Μπάνιο vs Ντους

Find out whether baths or showers are cheaper for you over a year.

Υπολογιστής Ανάπτυξης Μαλλιών

Months to grow your hair to a target length.

Υπολογιστής Καλλυντικών

Annual cost of your beauty routine.

Υπολογιστής Οδοντόκρεμας

Tubes per year and annual toothpaste cost.

Χρόνος Πλυσίματος Χεριών

WHO-recommended hand-washing time and song references.

Υπολογιστής Κόστους Περιποίησης Δέρματος

Roll up the per-day and per-year cost of your skincare routine.

Διάρκεια Αρώματος

How many weeks a perfume bottle will last at your usage.

Κόστος Βαφής Μαλλιών

Annual hair color cost by method and frequency.

Υπολογιστής Κόστους Μακιγιάζ

Annual cost of your makeup kit.

Υπολογιστής Χρήσης Σαπουνιού

How long a bar of soap lasts and the monthly cost.

Υπολογιστής Μάσκας

Masks needed per month and annual cost by type.

Πόσο Πλούσιος Είμαι

Where your income ranks against US (and rough global) distributions.

Net Worth Calculator

Compute net worth from assets minus liabilities; compare to age peers.

Υπολογιστής Βαθμολογίας IQ

Rough IQ estimate from a raw test score — strictly informal.

Υπολογιστής Fantasy Football

Score a player line in standard, PPR, or half-PPR scoring.

Επίπτωση Απαγόρευσης Μέσων Κοινωνικής Δικτύωσης

Estimate reach and revenue lost if your account is banned.

Εναλλακτικές στον Χρόνο TikTok

What you could do instead of scrolling TikTok for X minutes a day.

Εναλλακτικές στον Χρόνο Μέσων Κοινωνικής Δικτύωσης

Yearly hours sunk into social media — and what they could become.

Pixels To Inches

Convert between pixels and physical inches at any PPI.

Pounds And Ounces

Combine pounds and ounces into total weight in oz, grams, kg, and decimal lbs.

Feet And Inches Calculator

Convert, add, or subtract feet-and-inches values.

Height In Inches

Convert feet+inches height to inches, cm, and meters with a percentile note.

Acreage Calculator

Compute area in acres from any shape's dimensions.

Land Area Calculator

Land area in acres, hectares, bigha, katha, gaj, cent, and marla.

Lot Size To Acres

Convert lot size in square feet (or L×W) to acres and other units.

Lot Size To Sq Feet

Convert acres or other area units to square feet and find the side of a square lot.

Scale Calculator

Solve scaled, real, or ratio given the other two.

Download Time Calculator

How long a file will take to download at a given connection speed.

Torque To Hp

Compute horsepower from torque and RPM (or torque from HP and RPM).

Watts To Amps

Compute amperage from wattage at a chosen voltage.

Amps To Watts

Compute wattage from amperage at a chosen voltage.

Kwh To Kw

Convert between energy (kWh) and average power (kW) over a time period.

Dbm To Watts

Logarithmic conversion between dBm and watts.

Rms To Watts

Compute RMS and peak power from RMS voltage and impedance.

Joules To Volts

Convert energy and charge (or capacitance) into voltage.

Barometric Pressure

Pressure converted across all weather units with a forecast hint.

Ppm Calculator

Parts-per-million across PPM, PPB, ppt, percent, and mg/L.

Hardness Conversion

Convert between Rockwell C, Rockwell B, Brinell, Vickers, and Shore D.

Υπολογιστής Αναλογίας

Simplify, scale, percentage-ize, or split a ratio.

Imperial To Metric

One-stop imperial→metric conversion across length, weight, volume, temperature, speed.

Metric To Imperial

Convert metric to imperial across length, weight, volume, temperature, and speed.

Dimensional Analysis

Educational unit-conversion chain across length, weight, volume, speed, temperature.

Υπολογιστής Βαθμολογίας ACT

Convert ACT raw section scores to scaled 1–36 scores and a composite.

Υπολογιστής GPA Κολεγίου

Compute term and cumulative GPA on the 4.0 scale.

Υπολογιστής Τελικού Βαθμού

Find the score you need on the final exam to reach your target grade.

Υπολογιστής Καμπύλης Βαθμών

Apply square-root, flat-point, or scale-to-100 curves to a test score.

Υπολογιστής Έτους Αποφοίτησης

Find your high-school and college graduation years.

Υπολογιστής GWA

Compute General Weighted Average on the Philippine 1.0–5.0 scale.

Υπολογιστής GPA Λυκείου

Weighted and unweighted GPA with honors/AP/IB course bonuses.

Υπολογιστής Βαθμολογίας IELTS

Convert IELTS raw scores to band scores and an overall band.

Υπολογιστής Συντελεστή Επιρροής

Compute a journal's impact factor from citations and article count.

Υπολογιστής Βαθμολογίας PTE

Weighted overall PTE Academic score with CEFR equivalent.

Υπολογιστής Βαθμού Εξαμήνου

Weighted course grade across all assignments.

Υπολογιστής Βαθμού Τεστ

Percentage and letter grade from correct answers, with optional penalties.

Υπολογιστής GPA Πακιστάν

CGPA on the Pakistani HEC 4.0 scale from marks and credit hours.

Υπολογιστής Απόστασης Τάξης

Maximum desks in a room given social-distancing spacing.

Υπολογιστής Αναλογίας Διαστάσεων

Find an aspect ratio from dimensions, or solve a missing dimension.

Υπολογιστής Μεγέθους Αρχείου Εικόνας

Estimate image file size by dimensions, bit depth, and format.

Υπολογιστής PPI

Pixels per inch from screen resolution and diagonal size.

Υπολογιστής Μεγέθους Οθόνης

Width, height, and area from a diagonal and aspect ratio.

Υπολογιστής Μεγέθους Τηλεόρασης

Recommended TV diagonal for your seating distance.

Υπολογιστής Ύψους Στήριξης TV

Ideal wall height to mount a TV for eye-level viewing.

Υπολογιστής Μεγέθους Αρχείου Βίντεο

Estimate video file size from duration, resolution, and codec.

Υπολογιστής Έκθεσης

Compute exposure value from aperture, shutter speed, and ISO.

Υπολογιστής Βάθους Πεδίου

Near, far, and total depth of field for any lens setup.

Υπολογιστής Εστιακής Απόστασης

Focal length from sensor size and field of view, plus 35mm equivalent.

Υπολογιστής Παράγοντα Περικοπής

Crop factor and 35mm-equivalent focal lengths from sensor dimensions.

Υπολογιστής Κλίμακας Ανάλυσης

Scale a resolution by a factor and see the pixel-count change.

Υπολογιστής Time-lapse

Photos, video length, and storage for a time-lapse shoot.

Υπολογιστής Ταχύτητας Κλείστρου

Recommended shutter speed for handheld, motion, or astro shots.

Υπολογιστής Οπτικού Πεδίου Κάμερας

Horizontal, vertical, and diagonal angle of view for a lens.

Υπολογιστής Υπερεστιακής Απόστασης

The focus distance that maximizes depth of field.

Υπολογιστής Pixel σε Μέγεθος Εκτύπωσης

Maximum print size for an image at a chosen DPI.

Υπολογιστής Προβολέα

Throw distance or screen size from a projector's throw ratio.

Υπολογιστής Αναλογίας Εικόνας

Resize an image keeping its aspect ratio.

Υπολογιστής Αναλογίας Αντίθεσης

Display contrast ratio from white and black luminance.

Υπολογιστής Μεγέθυνσης Φακού

Magnification and reproduction ratio for a lens at a subject distance.

Υπολογιστής Φωτογραφίας χωρίς Ανοιγοκλείσιμο Ματιών

How many shots you need for a blink-free group photo.

Υπολογιστής Καρέ σε Timecode

Convert a frame number to HH:MM:SS:FF timecode.

Υπολογιστής Timecode σε Καρέ

Convert HH:MM:SS:FF timecode to a total frame count.

Υπολογιστής Φιλμ

Rolls, frames, and cost for an analog film shoot.

Υπολογιστής Κάθετης Υπερβολής

Vertical exaggeration factor for profiles and cross-sections.

Υπολογιστής 3D Rendering

Total render time and completion date for a 3D project.

Υπολογιστής Streaming Bitrate

Recommended streaming bitrate and required upload speed.

Υπολογιστής BPM

Calculate tempo (BPM) from a beat count and duration.

Υπολογιστής Συχνότητας Νότας

Frequency of any musical note in equal temperament.

Υπολογιστής Μουσικού Διαστήματος

Name the interval between two notes and its frequency ratio.

Υπολογιστής Μουσικής Κλίμακας

Generate the notes of any scale from a root note.

Υπολογιστής Συγχορδιών

Notes and intervals for any chord from a root note.

Εύρεση Συγχορδιών

Identify a chord from a set of notes.

Υπολογιστής Αναστροφής Συγχορδιών

Reorder a chord's notes into root, 1st, 2nd, or 3rd inversion.

Γεννήτρια Ακολουθίας Συγχορδιών

Build a chord progression in any key.

Μεταφορά Συγχορδιών

Transpose a chord progression to a new key.

Υπολογιστής Μουσικής Μεταφοράς

Transpose a note up or down by a number of semitones.

Υπολογιστής Ημιτονίων

Count the semitones between two notes.

Υπολογιστής Οπλισμού Κλίμακας

Sharps, flats, and relatives for any major or minor key.

Υπολογιστής Διάρκειας Μουσικής

Total playing time from BPM, time signature, and bar count.

Υπολογιστής Delay και Reverb

Note-synced delay times in milliseconds for a given tempo.

Υπολογιστής Τάστων

Distance of each fret from the nut for a given scale length.

Υπολογιστής Τάσης Χορδών Κιθάρας

Approximate string tension from gauge, scale length, and pitch.

Υπολογιστής Αρμονικής Σειράς

First 16 harmonics of a fundamental frequency.

Υπολογιστής Φωνητικής Έκτασης

Classify a voice type from the lowest and highest comfortable notes.

Υπολογιστής Κουτιού Ηχείου

Recommended enclosure volume for a driver.

Υπολογιστής Μήκους Θύρας

Port length for a vented speaker enclosure.

Υπολογιστής Μεγέθους Αρχείου Ήχου

Estimate audio file size by sample rate, bit depth, and channels.

Υπολογιστής Διάρκειας Μπαταρίας

Estimate device runtime from battery capacity and consumption.

Υπολογιστής Χωρητικότητας Μπαταρίας

Convert between Ah, Wh, and joules for a battery.

Υπολογιστής Μεγέθους Μπαταρίας

Minimum battery capacity for a target runtime.

Υπολογιστής Χρόνου Πτήσης Drone

Estimate drone flight time from battery and motor draw.

Υπολογιστής Κινητήρα Drone

Thrust per motor and thrust-to-weight ratio for a multirotor.

Υπολογιστής Duty Cycle

Duty cycle, frequency, and average voltage of a PWM signal.

Υπολογιστής eDPI

Effective DPI for FPS mouse sensitivity comparison.

Υπολογιστής Εντροπίας Κωδικού

Estimate password strength in bits of entropy and crack time.

Υπολογιστής RAID

Usable storage and fault tolerance for a RAID array.

Υπολογιστής chmod

Convert Unix file permissions to octal and symbolic notation.

Υπολογιστής IP Subnet

Network, broadcast, host range, and host count for an IPv4 subnet.

Υπολογιστής CIDR

Parse CIDR notation into network, range, and host count.

Υπολογιστής Εύρους Ζώνης

Required bandwidth to transfer a file in a target time.

Υπολογιστής Χρόνου Μεταφόρτωσης

How long a file takes to upload at a given speed.

Υπολογιστής Uptime

Allowed downtime for a given uptime percentage.

Υπολογιστής Μεταφοράς Δεδομένων

Transfer time across USB, Ethernet, Wi-Fi, 5G, and fiber.

Υπολογιστής Ρυθμού Baud

Effective data throughput of a serial connection.

Μετατροπέας Διεύθυνσης IP

Convert an IPv4 address between dotted-decimal, integer, and hex.

Κωδικοποιητής Base64

Encode text to Base64 or decode Base64 back to text.

Μετατροπέας ASCII

Convert text to ASCII codes and back.

Υπολογιστής Κώδικα Hamming

Add Hamming parity bits to a binary data word.

Υπολογιστής Απόστασης Hamming

Count differing bits between two binary strings.

Υπολογιστής Bit Ισοτιμίας

Compute the parity bit for a binary data word.

Υπολογιστής Λογικών Πυλών

Evaluate any 2-input logic gate and show its truth table.

Υπολογιστής Κέρδους Op-Amp

Voltage gain of inverting and non-inverting op-amp circuits.

Υπολογιστής Πλάτους Διαδρομής PCB

Minimum trace width for a current using the IPC-2221 standard.

Υπολογιστής Αντίστασης Διαδρομής PCB

Resistance and voltage drop of a PCB copper trace.

Υπολογιστής Ρεύματος Διαδρομής PCB

Maximum current a PCB trace can carry (IPC-2221).

Υπολογιστής Εμπέδησης PCB

Characteristic impedance of a microstrip PCB trace.

Υπολογιστής Εμπέδησης Καλωδίου

Characteristic impedance of a coaxial cable.

Υπολογιστής Καθυστέρησης Διάδοσης

Signal travel delay through a trace or cable.

Υπολογιστής LM317

Resistor value for a target LM317 regulator output voltage.

Υπολογιστής Καθυστέρησης RAM

True memory latency in nanoseconds from CL and frequency.

Υπολογιστής Προσαρμογής Εμπέδησης

L-network component values to match two impedances.

Υπολογιστής Συνολικής Αρμονικής Παραμόρφωσης

THD from a fundamental and its harmonic amplitudes.

Μετατροπέας Μονάδων RF

Convert RF power between dBm, watts, and dBW.

Υπολογιστής Κρυπτογράφου Vigenère

Encrypt or decrypt text with the Vigenère cipher.

Μετατροπέας Hex σε Κείμενο

Decode a hexadecimal string into readable text.

Υπολογιστής Κινητής Υποδιαστολής

Show the IEEE 754 single-precision representation of a number.

Υπολογιστής GSD

GSD for aerial/drone mapping from sensor, lens, and altitude.

Υπολογιστής Γινομένου Εύρους Ζώνης × Καθυστέρησης

Data in flight on a network path — the ideal TCP window size.

Υπολογιστής KD

Compute your kill/death ratio and KDA from kills, deaths, and assists.

Γεννήτρια Κύκλων Minecraft

Generate the block count and shape data for a Minecraft circle of any diameter.

Υπολογιστής Stack Minecraft

Work out full stacks, leftovers, and chest space for any pile of Minecraft items.

Υπολογιστής Πύλης Nether

Convert Overworld coordinates to the Nether and back at Minecraft's 1:8 ratio.

Εύρεση Πύλης End

Estimate how far a Minecraft stronghold sits from the world origin by its ring.

Υπολογιστής Καραμελών Pokémon GO

Find how much candy you need to evolve a Pokémon and how far you must walk for it.

Υπολογιστής Μπλοκ Πυραμίδας

Count the blocks needed to build a solid, hollow, or stepped pyramid.

Υπολογιστής Φθοράς Rust

Estimate how much health a Rust structure loses to decay while you are offline.

Υπολογιστής Πιθανοτήτων Impostor

Work out your chance of being the impostor in a social-deduction party game.

Υπολογιστής CBM

Calculate cubic metres (CBM) of a shipment from carton dimensions and quantity.

Υπολογιστής Ογκομετρικού Βάρους

Find the billable weight of a parcel by comparing actual weight to dimensional weight.

Υπολογιστής DPMO

Calculate Defects Per Million Opportunities and the matching Six Sigma level.

Υπολογιστής Κατηγορίας Φορτίου

Determine NMFC freight class from a shipment's weight and dimensions by density.

Υπολογιστής Παλέτας

Work out how many boxes fit on a pallet, with layers and total stack weight.

Υπολογιστής Σημείου Επαναπαραγγελίας

Calculate the inventory reorder point from demand, lead time, and safety stock.

Υπολογιστής Takt Time

Calculate takt time — the production pace needed to meet customer demand.

Υπολογιστής Φόρτωσης Container

Estimate how many shipping containers a cargo load needs by volume and weight.

Αντίστροφη Μέτρηση Χριστουγέννων

See exactly how many days, weeks, and shopping days are left until Christmas.

Υπολογιστής Πάσχα

Find the date of Easter Sunday for any year using the Gregorian algorithm.

Υπολογιστής Χιονάνθρωπου

Size the three balls of a snowman and estimate how much snow you need.

Υπολογιστής Αποκάλυψης Βαμπίρ

Model how fast vampires could convert the human population through exponential growth.

Υπολογιστής Εισβολής Ζόμπι

Estimate how fast a zombie outbreak spreads using a simplified infection model.

Υπολογιστής Trick or Treat

Estimate the candy haul and walking distance from a night of trick-or-treating.

Υπολογιστής Λευκών Χριστουγέννων

See the historical probability of snow on the ground on Christmas Day by city.

Μετατροπέας Ημερολογίου Μάγια

Convert any Gregorian date to the Maya Long Count, Tzolkin, and Haab calendars.

Υπολογιστής Πρωτοχρονιάτικων Αποφάσεων

Plan a resolution: see days left in the year and total hours you can commit.

Υπολογιστής Αίσθησης Ψύχους

Calculate the NWS wind chill temperature and frostbite risk from temp and wind speed.

Υπολογιστής Βροχόπτωσης

Calculate the volume of water collected from rainfall over a given area.

Υπολογιστής Βροχής σε Χιόνι

Convert rainfall to expected snowfall using temperature-based snow ratios.

Υπολογιστής Ηλιοθεραπείας

Estimate safe sun exposure time from skin type, UV index, and sunscreen SPF.

Υπολογιστής Σεισμού

Calculate the energy released by an earthquake and its intensity at a distance.

Υπολογιστής Αντιπόδων

Find the exact point on the opposite side of the Earth from any coordinates.

Υπολογιστής Αζιμούθιου

Calculate the compass bearing (azimuth) from one coordinate to another.

Υπολογιστής Απόστασης Γεωγραφικού Πλάτους-Μήκους

Calculate the great-circle distance between two coordinates with the Haversine formula.

Υπολογιστής Engagement Rate

Calculate social media engagement rate from followers, likes, comments, and shares.

Υπολογιστής Διάρκειας Φιάλης Οξυγόνου

Estimate how long a medical oxygen cylinder lasts at a given flow rate.

Υπολογιστής Βάρους Διαμαντιού

Estimate the carat weight of a diamond from its shape and millimetre measurements.

Υπολογιστής Μισθολογικού Χάσματος Φύλων

Calculate the pay gap between two salaries as a percentage and dollar difference.

Υπολογιστής PERT

Calculate a PERT three-point estimate with standard deviation and variance.

Υπολογιστής NaNoWriMo

Track your novel-writing pace and find the daily word count needed to hit your goal.

Υπολογιστής Αλατένιας Ζύμης

Scale a salt dough recipe up or down for any number of batches.

Υπολογιστής Φιλοδωρήματος Πίτσας

Split a pizza order with tip across friends and see the per-person cost.

Υπολογιστής Matched Betting

Calculate the lay stake, liability, and locked-in profit for a matched bet.

Υπολογιστής Ημέρας της Εβδομάδας

Find the day of the week for any date, plus day number and week of the year.

Υπολογιστής Διάρκειας Διαδικασίας Πρόσληψης

Estimate total time-to-hire by adding up each stage of your recruitment process.

Υπολογιστής Ενυδρείου

Calculate aquarium volume, full weight, and fish capacity from tank dimensions.

Υπολογιστής Πάχους Γυαλιού Ενυδρείου

Estimate the minimum glass thickness needed for an aquarium of a given size.

Υπολογιστής Παιδικού Σκαμπιλίδι

Calculate how much sand a sandbox needs and the number of bags to buy.

Καίσαρας Κρυπτογραφικός Μετατοπιστής

Encrypt or decrypt text with a Caesar cipher and see all 25 brute-force shifts.

Υπολογιστής Σημαίας ΗΠΑ

Calculate every dimension of a US flag from its hoist height per Executive Order 10834.

Υπολογιστής HP 5e

Calculate a D&D 5e character's hit points by class, level, and Constitution modifier.

Υπολογιστής Encounter 5e

Rate a D&D 5e combat encounter as easy, medium, hard, or deadly by XP thresholds.

Υπολογιστής Point Buy 5e

Track the 27-point budget for D&D 5e ability scores and see the modifiers.

Υπολογιστής EV Πόκερ

Calculate the expected value of a poker call from pot size, bet, and your equity.

Πεζά σε Κεφαλαία

Convert any lowercase text to UPPERCASE instantly in your browser.

Μετατροπέας Κεφαλαίας Αρχικής

Capitalize the first letter of every word, including short words and articles.

Μετατροπέας Κεφαλαιοποίησης Πρότασης

Capitalize the first letter of each sentence and lowercase the rest.

Γεννήτρια Μικρών Κεφαλαίων

Convert text to ꜱᴍᴀʟʟ ᴄᴀᴘs using Unicode small-capital letters.

Γεννήτρια Μικρού Κειμένου

Convert text to ˢᵐᵃˡˡ superscript-style letters for bios and captions.

Γεννήτρια Διαγραμμένου Κειμένου

Add a Unicode strikethrough line through any text you can copy anywhere.

Γεννήτρια Δείκτη

Convert numbers and letters to Unicode subscript characters.

Γεννήτρια Εκθέτη

Convert numbers and letters to Unicode superscript characters.

Γεννήτρια Γοτθικής Γραμματοσειράς

Convert text to 𝔤𝔬𝔱𝔥𝔦𝔠 Fraktur letters you can copy and paste.

Γεννήτρια Κειμένου Καθρέφτη

Reverse text and create a mirrored backwards version you can copy.

Μετατροπέας Αριθμών σε Γράμματα

Decode a number sequence into letters using A=1, B=2 … Z=26.

Μετατροπέας Γραμμάτων σε Αριθμούς

Encode letters into numbers using A=1, B=2 … Z=26.

Αναγνωριστικό Hash

Identify a hash type from its length and character set — MD5, SHA, bcrypt and more.

Υπολογιστής Αναλογίας 16:9

Calculate the 16:9 height for any width — the standard widescreen video ratio.

Υπολογιστής Αναλογίας 16:10

Calculate the 16:10 height for any width — common on laptop and monitor screens.

Υπολογιστής Αναλογίας 4:3

Calculate the 4:3 height for any width — the classic fullscreen TV ratio.

Υπολογιστής Αναλογίας CSS

Generate the CSS aspect-ratio property and padding-top percentage for any ratio.

Υπολογιστής Αναλογίας Pixel

Calculate the pixel aspect ratio (PAR) from display and pixel dimensions.

Υπολογιστής Αναλογίας Portrait

Calculate portrait-orientation heights at common ratios like 2:3, 3:4, and 9:16.

Υπολογιστής Αναλογίας Οθόνης

Find the simplified aspect ratio of any screen from its width and height.

Ημέρες μέχρι το Φθινόπωρο

Count down the days until the first day of autumn (September 22).

Ημέρες μέχρι του Αγίου Βαλεντίνου

Count down the days remaining until Valentine's Day on February 14.

Αντίστροφη Μέτρηση Νέου Έτους

Count down the days, hours, and minutes until New Year's Day.

Υπολογιστής Βάρους Καρατίου

Convert gemstone weight in grams to carats and points.

Υπολογιστής Καρατίου Διαμαντιού

Convert diamond weight to carats and estimate carat weight from a round diamond's diameter.

Μετατροπή mm σε Καράτι

Estimate a gemstone's carat weight from its millimetre diameter by shape.

Σε Ποια Τάξη Ήμουν

Find which US school grade you were in during any given year.