Калькулятори

Калькулятор Вартості Палива

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

Калькулятор Пального

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

Калькулятор MPG

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

Калькулятор Швидкості

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

Калькулятор Часу в Дорозі

Estimate driving time including planned rest stops.

Калькулятор Поїздок на Роботу

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

Калькулятор Вартості Подорожі

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

Калькулятор Вартості Зарядки EV

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

Калькулятор Вартості Зарядки Tesla

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

Калькулятор Амортизації Авто

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

Калькулятор Спільних Поїздок

See how much carpooling cuts your annual commute cost.

Калькулятор розміру бюстгальтера

Calculate your bra size from band and bust measurements.

Калькулятор обтяженої ковдри

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

Калькулятор розміру скатертини

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

Калькулятор спідниці-сонце

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

Калькулятор Вартості Електрики

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

Калькулятор Витрати Фарби

Estimate how many gallons of paint your room needs.

Калькулятор Підлоги

Compute square footage and material needed including waste factor.

Калькулятор Плитки

Count tiles needed for any room with waste built in.

Іпотечний Калькулятор

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

Solar Panel Savings Calculator

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

Калькулятор BTU Кондиціонера

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

Калькулятор Чайових

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

Калькулятор Знижки

Find the sale price and savings for any percent off.

Зарплата в Погодинну

Convert an annual salary into an hourly rate.

Погодинна в Зарплату

Convert an hourly wage to monthly and annual income.

Калькулятор ROI

Compute return on investment and annualized return.

Калькулятор Маржі Прибутку

Compute gross profit and margin from revenue and cost.

Калькулятор Ставки Фрілансера

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

Калькулятор Pomodoro

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

Калькулятор Понаднормових

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

Калькулятор Вартості Зустрічі

Calculate what a meeting truly costs in payroll dollars.

Калькулятор Віку

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

Днів до Різдва

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

Калькулятор Циклу Сну

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

Очікувана Дата Пологів

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

Калькулятор Робочих Днів

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

Підкидання монети

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

Кидання кубика

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

Генератор випадкових чисел

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

Генератор так чи ні

Let randomness decide. A fair coin flip with words.

Калькулятор знака зодіаку

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

Калькулятор сумісності в коханні

Just-for-fun compatibility score from two names.

Калькулятор вартості душу

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

Калькулятор сонцезахисного крему

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

Калькулятор часу читання

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

Калькулятор швидкості аудіокниги

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

Калькулятор ІМТ

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

Калькулятор Калорій

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

Калькулятор Споживання Води

Estimate your daily water target adjusted for activity and climate.

Кроки в Милі

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

Калькулятор Відсотків

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

Калькулятор Площі

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

Інструмент Римських Цифр

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

Двійкове в Десяткове

Convert between binary and decimal in either direction.

Калькулятор Дробів

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

Currency Converter

Quick approximate currency conversion using static reference rates.

Перекладач Pig Latin

Translate any text into Pig Latin instantly.

Перевернутий текст

Flip your text upside down with Unicode tricks.

Лічильник Слів

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.

Калькулятор Вартості Паркування

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

Калькулятор Вартості Заміни Масла

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.

Калькулятор Швидкості Велосипеда

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.

Вуглецевий Слід Подорожі

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.

Калькулятор Миль на Рік

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.

Калькулятор Відстані

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.

Калькулятор Часу Польоту

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.

Конвертація розміру взуття

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

Конвертер розміру каблучки

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

Калькулятор розміру сукні

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

Калькулятор розміру джинсів

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

Калькулятор розміру капелюха

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

Калькулятор розміру ременя

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

Калькулятор розміру куртки

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

Калькулятор розміру рукавичок

Find your glove size from hand circumference at the knuckles.

Калькулятор розміру шкарпеток

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

Калькулятор розміру футболки

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

Калькулятор розміру штанів

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

Конвертер розмірів одягу

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

Розмір взуття США в Британію

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

Розмір взуття Британії в США

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

Розмір взуття чоловічий у жіночий

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

Калькулятор розміру дитячого взуття

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

Калькулятор пряжі

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

Конвертер розміру спиць для в'язання

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

Калькулятор окантовки квілту

Compute strips and yardage for quilt binding.

Калькулятор трикутника-півквадрата

Cut size and square count for half-square triangles.

Калькулятор полотен штор

Compute panel width and required fabric for window curtains.

Калькулятор довжини резинки

Find elastic length for waistbands, cuffs, and necklines.

Калькулятор швейних ниток

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

Калькулятор довжини шнурків

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

Калькулятор загублених шкарпеток

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

Калькулятор бікіні

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

Калькулятор Шпалер

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

Калькулятор Доступності Оренди

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

Вартість Ремонту Будинку

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

Калькулятор Вартості Переїзду

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

Калькулятор Розміру Газону

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

Калькулятор Вартості Паркану

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

Storage Unit Size

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

Розмір Новорічної Ялинки

Find the right tree height and width for your room.

Час Горіння Свічки

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

R-Значення Ізоляції

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.

Калькулятор GPA

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

Калькулятор Оцінок

Compute your weighted course grade across up to 5 assignments.

Калькулятор Результату Тесту

Compute percentage and letter grade from correct answers.

Калькулятор Робочих Годин

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

Калькулятор Рахунку

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

Калькулятор Точки Беззбитковості

Units and revenue needed to cover fixed and variable costs.

Лічильник Символів

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

Перевірка Надійності Пароля

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

Конвертер Розміру Шрифту

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

Sat Score Calculator

Approximate scaled SAT scores from raw section scores.

Числа в Слова

Spell out any number up to a trillion in English.

Генератор Зворотного Тексту

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

Nato Phonetic Alphabet

Spell any word using the NATO phonetic alphabet.

Калькулятор Часу Навчання

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

Конвертер Часових Поясів

Convert a time between major world time zones.

Калькулятор Дати Виходу на Пенсію

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

Днів до Дня Народження

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

Калькулятор Робочих Днів

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

Калькулятор Часу Сну

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

Калькулятор Часу Пробудження

Find the best wake times after a chosen bedtime.

Таймер Зворотного Відліку

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

Калькулятор Як Давно

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

Калькулятор Корейського Віку

Convert international age to traditional Korean age.

Калькулятор Фази Місяця

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

Palindrome Date Finder

Find all palindrome dates in a given year.

Калькулятор Високосного Року

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

Калькулятор Тривалості Часу

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

Час у Десяткове

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

Калькулятор аудіокниг

Plan your audiobook reading pace and yearly book goals.

Тривалість телесеріалу

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

Калькулятор запійного перегляду

Find your binge finish date based on daily watch time.

Калькулятор підвішування гамака

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

Калькулятор гелієвих кульок

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

Калькулятор розміру намету

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

Калькулятор нумерології

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

Генератор щасливих чисел

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

Калькулятор днів Minecraft

Convert between real minutes and Minecraft in-game days.

Robux у USD

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

Калькулятор шансів у покері

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

Калькулятор рейтингу в шахах

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

Калькулятор Білка

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

Калькулятор Макросів

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

Калькулятор Жиру в Тілі

Estimate body fat percentage with the US Navy method.

Калькулятор Ідеальної Ваги

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

Калькулятор Темпу Бігу

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

Спалені Калорії

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.

Калькулятор Кубічних Футів

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

Шістнадцяткове в Десяткове

Convert between hexadecimal and decimal, with binary preview.

Науковий Калькулятор

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

Оцінка в GPA

Convert a letter grade or percentage into GPA points.

Калькулятор читацького челенджу

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

Скільки часу потрібно прочитати книгу

Estimate hours to read a book at your pace.

Сторінок на годину

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

Кількість слів у книзі

Typical word counts and page estimates by genre.

Калькулятор мети Goodreads

Are you on pace for your Goodreads reading challenge?

Кількість сторінок Kindle

Convert KOLL Kindle pages to print pages and words.

Калькулятор ванна vs душ

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

Калькулятор росту волосся

Months to grow your hair to a target length.

Калькулятор косметичних засобів

Annual cost of your beauty routine.

Калькулятор зубної пасти

Tubes per year and annual toothpaste cost.

Час миття рук

WHO-recommended hand-washing time and song references.

Калькулятор витрат на догляд за шкірою

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

Стійкість парфумів

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

Вартість фарбування волосся

Annual hair color cost by method and frequency.

Калькулятор вартості макіяжу

Annual cost of your makeup kit.

Калькулятор використання мила

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

Калькулятор масок

Masks needed per month and annual cost by type.

Наскільки я багатий

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

Net Worth Calculator

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

Калькулятор балів IQ

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

Калькулятор фентезі-футболу

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

Вплив заборони соцмереж

Estimate reach and revenue lost if your account is banned.

Альтернативи часу в TikTok

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

Альтернативи часу в соцмережах

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.

Калькулятор Співвідношення

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.

Калькулятор балів ACT

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

Калькулятор GPA коледжу

Compute term and cumulative GPA on the 4.0 scale.

Калькулятор підсумкової оцінки

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

Калькулятор кривої оцінок

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

Калькулятор року випуску

Find your high-school and college graduation years.

Калькулятор GWA

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

Калькулятор GPA старшої школи

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

Калькулятор балів IELTS

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

Калькулятор імпакт-фактора

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

Калькулятор балів PTE

Weighted overall PTE Academic score with CEFR equivalent.

Калькулятор семестрової оцінки

Weighted course grade across all assignments.

Калькулятор оцінки за тест

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

Калькулятор GPA Пакистану

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

Калькулятор відстані в класі

Maximum desks in a room given social-distancing spacing.

Калькулятор співвідношення сторін

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

Калькулятор розміру файлу зображення

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

Калькулятор PPI

Pixels per inch from screen resolution and diagonal size.

Калькулятор розміру екрана

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

Калькулятор розміру телевізора

Recommended TV diagonal for your seating distance.

Калькулятор висоти кріплення TV

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

Калькулятор розміру відеофайлу

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

Калькулятор експозиції

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

Калькулятор глибини різкості

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

Калькулятор фокусної відстані

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

Калькулятор crop-фактора

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

Калькулятор масштабу роздільності

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

Калькулятор time-lapse

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

Калькулятор витримки

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

Калькулятор поля зору камери

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

Калькулятор гіперфокальної відстані

The focus distance that maximizes depth of field.

Калькулятор пікселів у розмір друку

Maximum print size for an image at a chosen DPI.

Калькулятор проєктора

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

Калькулятор співвідношення зображення

Resize an image keeping its aspect ratio.

Калькулятор контрастності

Display contrast ratio from white and black luminance.

Калькулятор збільшення лінзи

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

Калькулятор фото без моргання

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

Калькулятор кадрів у таймкод

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

Калькулятор таймкоду в кадри

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

Калькулятор плівки

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

Калькулятор вертикального перебільшення

Vertical exaggeration factor for profiles and cross-sections.

Калькулятор 3D рендерингу

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

Калькулятор бітрейту стрімінгу

Recommended streaming bitrate and required upload speed.

Калькулятор BPM

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

Калькулятор частоти ноти

Frequency of any musical note in equal temperament.

Калькулятор музичного інтервалу

Name the interval between two notes and its frequency ratio.

Калькулятор музичної гами

Generate the notes of any scale from a root note.

Калькулятор акордів

Notes and intervals for any chord from a root note.

Пошук акордів

Identify a chord from a set of notes.

Калькулятор обертань акордів

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

Генератор послідовності акордів

Build a chord progression in any key.

Транспонер акордів

Transpose a chord progression to a new key.

Калькулятор музичної транспозиції

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

Калькулятор півтонів

Count the semitones between two notes.

Калькулятор тональності

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

Калькулятор тривалості музики

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

Калькулятор delay і reverb

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

Калькулятор ладів

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

Калькулятор натягу струн гітари

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

Калькулятор гармонічного ряду

First 16 harmonics of a fundamental frequency.

Калькулятор вокального діапазону

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

Калькулятор корпусу динаміка

Recommended enclosure volume for a driver.

Калькулятор довжини порту

Port length for a vented speaker enclosure.

Калькулятор розміру аудіофайлу

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

Калькулятор тривалості роботи акумулятора

Estimate device runtime from battery capacity and consumption.

Калькулятор ємності акумулятора

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

Калькулятор розміру акумулятора

Minimum battery capacity for a target runtime.

Калькулятор часу польоту дрона

Estimate drone flight time from battery and motor draw.

Калькулятор двигуна дрона

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

Калькулятор робочого циклу

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

Калькулятор eDPI

Effective DPI for FPS mouse sensitivity comparison.

Калькулятор ентропії пароля

Estimate password strength in bits of entropy and crack time.

Калькулятор RAID

Usable storage and fault tolerance for a RAID array.

Калькулятор chmod

Convert Unix file permissions to octal and symbolic notation.

Калькулятор IP-підмережі

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

Калькулятор CIDR

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

Калькулятор пропускної здатності

Required bandwidth to transfer a file in a target time.

Калькулятор часу завантаження

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

Калькулятор uptime

Allowed downtime for a given uptime percentage.

Калькулятор передачі даних

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

Калькулятор baud rate

Effective data throughput of a serial connection.

Конвертер IP-адрес

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

Base64 Кодувальник

Encode text to Base64 or decode Base64 back to text.

Конвертер ASCII

Convert text to ASCII codes and back.

Калькулятор коду Хеммінга

Add Hamming parity bits to a binary data word.

Калькулятор відстані Хеммінга

Count differing bits between two binary strings.

Калькулятор біта парності

Compute the parity bit for a binary data word.

Калькулятор логічних вентилів

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

Калькулятор підсилення Op-Amp

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

Калькулятор ширини доріжки PCB

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

Калькулятор опору доріжки PCB

Resistance and voltage drop of a PCB copper trace.

Калькулятор струму доріжки PCB

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

Калькулятор імпедансу PCB

Characteristic impedance of a microstrip PCB trace.

Калькулятор імпедансу кабелю

Characteristic impedance of a coaxial cable.

Калькулятор затримки поширення

Signal travel delay through a trace or cable.

Калькулятор LM317

Resistor value for a target LM317 regulator output voltage.

Калькулятор затримок RAM

True memory latency in nanoseconds from CL and frequency.

Калькулятор узгодження імпедансу

L-network component values to match two impedances.

Калькулятор загальних гармонічних спотворень

THD from a fundamental and its harmonic amplitudes.

Конвертер одиниць RF

Convert RF power between dBm, watts, and dBW.

Калькулятор шифру Віженера

Encrypt or decrypt text with the Vigenère cipher.

Конвертер Hex у текст

Decode a hexadecimal string into readable text.

Калькулятор з плаваючою комою

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

Калькулятор GSD

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

Калькулятор добутку пропускної здатності × затримки

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

Калькулятор KD

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

Генератор кіл Minecraft

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

Калькулятор стеків Minecraft

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

Калькулятор порталу Незер

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

Пошук порталу Енд

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

Калькулятор цукерок Pokémon GO

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

Калькулятор блоків піраміди

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

Калькулятор розпаду Rust

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

Калькулятор шансів імпостора

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

Калькулятор CBM

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

Калькулятор об'ємної ваги

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

Калькулятор DPMO

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

Калькулятор класу вантажу

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

Калькулятор палет

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

Калькулятор точки повторного замовлення

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

Калькулятор такт-часу

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

Калькулятор завантаження контейнера

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

Зворотний відлік до Різдва

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

Калькулятор Великодня

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

Калькулятор сніговика

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

Калькулятор вампірського апокаліпсису

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

Калькулятор зомбі-вторгнення

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

Калькулятор Trick or Treat

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

Калькулятор Білого Різдва

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

Конвертер календаря майя

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

Калькулятор новорічних обіцянок

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

Калькулятор відчутної температури

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

Калькулятор опадів

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

Калькулятор дощу в сніг

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

Калькулятор сонячних ванн

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

Калькулятор землетрусів

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

Калькулятор антиподів

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

Калькулятор азимута

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

Калькулятор відстані за координатами

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

Калькулятор показника залученості

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

Калькулятор тривалості кисневого балона

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

Калькулятор ваги діаманта

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

Калькулятор гендерного розриву в оплаті

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

Калькулятор PERT

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

Калькулятор NaNoWriMo

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

Калькулятор солоного тіста

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

Калькулятор чайових за піцу

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

Калькулятор matched betting

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

Калькулятор дня тижня

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

Калькулятор тривалості рекрутингу

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

Калькулятор акваріума

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

Калькулятор товщини скла акваріума

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

Калькулятор пісочниці

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

Шифр Цезаря

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

Калькулятор прапора США

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

Калькулятор HP 5e

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

Калькулятор зіткнень 5e

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

Калькулятор point buy 5e

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

Калькулятор EV у покері

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

Малі Літери в Великі Літери

Convert any lowercase text to UPPERCASE instantly in your browser.

Конвертер у початкові великі літери

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

Конвертер у реченнєвий стиль

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

Генератор капітелі

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

Генератор маленького тексту

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

Генератор закресленого тексту

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

Генератор нижнього індексу

Convert numbers and letters to Unicode subscript characters.

Генератор верхнього індексу

Convert numbers and letters to Unicode superscript characters.

Генератор готичного шрифту

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

Генератор дзеркального тексту

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

Конвертер чисел у літери

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

Конвертер літер у числа

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

Ідентифікатор хешу

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

Калькулятор співвідношення 16:9

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

Калькулятор співвідношення 16:10

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

Калькулятор співвідношення 4:3

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

Калькулятор CSS-співвідношення

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

Калькулятор піксельного співвідношення

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

Калькулятор вертикального співвідношення

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

Калькулятор співвідношення екрана

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

Дні до Осені

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

Дні до Дня Святого Валентина

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

Зворотний відлік до Нового Року

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

Калькулятор ваги в каратах

Convert gemstone weight in grams to carats and points.

Калькулятор карат діаманта

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

Конвертація мм у карати

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

У якому класі я був

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