Kalkulator

Kalkulator Biaya Bahan Bakar

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

Kalkulator Bensin

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

Kalkulator MPG

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

Kalkulator Kecepatan

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

Kalkulator Waktu Berkendara

Estimate driving time including planned rest stops.

Kalkulator Perjalanan

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

Kalkulator Biaya Road Trip

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

Kalkulator Biaya Pengisian EV

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

Kalkulator Biaya Pengisian Tesla

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

Kalkulator Depresiasi Mobil

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

Kalkulator Tebengan

See how much carpooling cuts your annual commute cost.

Kalkulator Ukuran Bra

Calculate your bra size from band and bust measurements.

Kalkulator Selimut Pemberat

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

Kalkulator Ukuran Taplak Meja

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

Kalkulator Rok Lingkaran

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

Kalkulator Biaya Listrik

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

Kalkulator Cakupan Cat

Estimate how many gallons of paint your room needs.

Kalkulator Lantai

Compute square footage and material needed including waste factor.

Kalkulator Ubin

Count tiles needed for any room with waste built in.

Kalkulator KPR

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

Solar Panel Savings Calculator

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

Kalkulator BTU AC

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

Kalkulator Tip

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

Kalkulator Diskon

Find the sale price and savings for any percent off.

Gaji ke Per Jam

Convert an annual salary into an hourly rate.

Per Jam ke Gaji

Convert an hourly wage to monthly and annual income.

Kalkulator ROI

Compute return on investment and annualized return.

Kalkulator Margin Keuntungan

Compute gross profit and margin from revenue and cost.

Kalkulator Tarif Freelance

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

Kalkulator Pomodoro

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

Kalkulator Lembur

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

Kalkulator Biaya Rapat

Calculate what a meeting truly costs in payroll dollars.

Kalkulator Usia

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

Hari hingga Natal

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

Kalkulator Siklus Tidur

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

Tanggal Perkiraan Lahir

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

Kalkulator Hari Kerja

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

Lempar Koin

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

Pelempar Dadu

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

Generator Angka Acak

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

Generator Ya atau Tidak

Let randomness decide. A fair coin flip with words.

Kalkulator Zodiak

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

Kalkulator Kecocokan Cinta

Just-for-fun compatibility score from two names.

Kalkulator Biaya Mandi

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

Kalkulator Tabir Surya

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

Kalkulator Waktu Membaca

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

Kalkulator Kecepatan Buku Audio

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

Kalkulator BMI

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

Kalkulator Kalori

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

Kalkulator Asupan Air

Estimate your daily water target adjusted for activity and climate.

Langkah ke Mil

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

Kalkulator Persentase

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

Kalkulator Luas Persegi

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

Konverter Bilangan Romawi

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

Biner ke Desimal

Convert between binary and decimal in either direction.

Kalkulator Pecahan

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

Currency Converter

Quick approximate currency conversion using static reference rates.

Penerjemah Pig Latin

Translate any text into Pig Latin instantly.

Teks Terbalik

Flip your text upside down with Unicode tricks.

Penghitung Kata

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.

Kalkulator Biaya Parkir

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

Kalkulator Biaya Ganti Oli

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.

Kalkulator Kecepatan Sepeda

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.

Jejak Karbon Perjalanan

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.

Kalkulator Mil per Tahun

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.

Kalkulator Jarak

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.

Kalkulator Waktu Penerbangan

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.

Konversi Ukuran Sepatu

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

Konverter Ukuran Cincin

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

Kalkulator Ukuran Gaun

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

Kalkulator Ukuran Jeans

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

Kalkulator Ukuran Topi

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

Kalkulator Ukuran Sabuk

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

Kalkulator Ukuran Jaket

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

Kalkulator Ukuran Sarung Tangan

Find your glove size from hand circumference at the knuckles.

Kalkulator Ukuran Kaus Kaki

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

Kalkulator Ukuran Kaos

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

Kalkulator Ukuran Celana

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

Konverter Ukuran Pakaian

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

Ukuran Sepatu AS ke Inggris

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

Ukuran Sepatu Inggris ke AS

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

Ukuran Sepatu Pria ke Wanita

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

Kalkulator Ukuran Sepatu Anak

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

Kalkulator Benang

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

Konverter Ukuran Jarum Rajut

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

Kalkulator Bisban Selimut

Compute strips and yardage for quilt binding.

Kalkulator Segitiga Setengah Persegi

Cut size and square count for half-square triangles.

Kalkulator Panel Tirai

Compute panel width and required fabric for window curtains.

Kalkulator Panjang Karet Elastis

Find elastic length for waistbands, cuffs, and necklines.

Kalkulator Benang Jahit

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

Kalkulator Panjang Tali Sepatu

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

Kalkulator Kaus Kaki Hilang

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

Kalkulator Bikini

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

Kalkulator Wallpaper

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

Kalkulator Keterjangkauan Sewa

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

Biaya Renovasi Rumah

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

Kalkulator Biaya Pindahan

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

Kalkulator Ukuran Halaman

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

Kalkulator Biaya Pagar

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

Storage Unit Size

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

Ukuran Pohon Natal

Find the right tree height and width for your room.

Waktu Bakar Lilin

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

Nilai R Insulasi

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.

Kalkulator GPA

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

Kalkulator Nilai

Compute your weighted course grade across up to 5 assignments.

Kalkulator Skor Tes

Compute percentage and letter grade from correct answers.

Kalkulator Jam Kerja

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

Kalkulator Faktur

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

Kalkulator Titik Impas

Units and revenue needed to cover fixed and variable costs.

Penghitung Karakter

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

Pemeriksa Kekuatan Kata Sandi

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

Konverter Ukuran Font

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

Sat Score Calculator

Approximate scaled SAT scores from raw section scores.

Angka ke Kata

Spell out any number up to a trillion in English.

Generator Teks Terbalik

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

Nato Phonetic Alphabet

Spell any word using the NATO phonetic alphabet.

Kalkulator Waktu Belajar

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

Konverter Zona Waktu

Convert a time between major world time zones.

Kalkulator Tanggal Pensiun

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

Hari hingga Ulang Tahun

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

Kalkulator Hari Kerja Efektif

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

Kalkulator Waktu Tidur

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

Kalkulator Waktu Bangun

Find the best wake times after a chosen bedtime.

Pengatur Waktu Hitung Mundur

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

Kalkulator Berapa Lama yang Lalu

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

Kalkulator Usia Korea

Convert international age to traditional Korean age.

Kalkulator Fase Bulan

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

Palindrome Date Finder

Find all palindrome dates in a given year.

Kalkulator Tahun Kabisat

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

Kalkulator Durasi Waktu

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

Waktu ke Desimal

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

Kalkulator Buku Audio

Plan your audiobook reading pace and yearly book goals.

Durasi Serial TV

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

Kalkulator Maraton Nonton

Find your binge finish date based on daily watch time.

Kalkulator Gantungan Hammock

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

Kalkulator Balon Helium

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

Kalkulator Ukuran Tenda

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

Kalkulator Numerologi

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

Generator Angka Keberuntungan

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

Kalkulator Hari Minecraft

Convert between real minutes and Minecraft in-game days.

Robux ke USD

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

Kalkulator Peluang Poker

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

Kalkulator Peringkat Catur

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

Kalkulator Protein

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

Kalkulator Makro

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

Kalkulator Lemak Tubuh

Estimate body fat percentage with the US Navy method.

Kalkulator Berat Ideal

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

Kalkulator Pace Lari

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

Kalori Terbakar

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.

Kalkulator Kaki Kubik

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

Hex ke Desimal

Convert between hexadecimal and decimal, with binary preview.

Kalkulator Ilmiah

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

Nilai ke GPA

Convert a letter grade or percentage into GPA points.

Kalkulator Tantangan Membaca

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

Berapa Lama Membaca Buku

Estimate hours to read a book at your pace.

Halaman per Jam

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

Jumlah Kata Buku

Typical word counts and page estimates by genre.

Kalkulator Target Goodreads

Are you on pace for your Goodreads reading challenge?

Jumlah Halaman Kindle

Convert KOLL Kindle pages to print pages and words.

Kalkulator Mandi Berendam vs Pancuran

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

Kalkulator Pertumbuhan Rambut

Months to grow your hair to a target length.

Kalkulator Produk Kecantikan

Annual cost of your beauty routine.

Kalkulator Pasta Gigi

Tubes per year and annual toothpaste cost.

Waktu Cuci Tangan

WHO-recommended hand-washing time and song references.

Kalkulator Biaya Perawatan Kulit

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

Ketahanan Parfum

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

Biaya Pewarnaan Rambut

Annual hair color cost by method and frequency.

Kalkulator Biaya Riasan

Annual cost of your makeup kit.

Kalkulator Pemakaian Sabun

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

Kalkulator Masker

Masks needed per month and annual cost by type.

Seberapa Kaya Saya

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

Net Worth Calculator

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

Kalkulator Skor IQ

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

Kalkulator Fantasy Football

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

Dampak Larangan Media Sosial

Estimate reach and revenue lost if your account is banned.

Alternatif Waktu TikTok

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

Alternatif Waktu Media Sosial

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.

Kalkulator Rasio

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.

Kalkulator Skor ACT

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

Kalkulator GPA Kuliah

Compute term and cumulative GPA on the 4.0 scale.

Kalkulator Nilai Akhir

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

Kalkulator Kurva Nilai

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

Kalkulator Tahun Kelulusan

Find your high-school and college graduation years.

Kalkulator GWA

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

Kalkulator GPA SMA

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

Kalkulator Skor IELTS

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

Kalkulator Faktor Dampak

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

Kalkulator Skor PTE

Weighted overall PTE Academic score with CEFR equivalent.

Kalkulator Nilai Semester

Weighted course grade across all assignments.

Kalkulator Nilai Tes

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

Kalkulator GPA Pakistan

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

Kalkulator Jarak Ruang Kelas

Maximum desks in a room given social-distancing spacing.

Kalkulator Rasio Aspek

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

Kalkulator Ukuran File Gambar

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

Kalkulator PPI

Pixels per inch from screen resolution and diagonal size.

Kalkulator Ukuran Layar

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

Kalkulator Ukuran TV

Recommended TV diagonal for your seating distance.

Kalkulator Tinggi Pemasangan TV

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

Kalkulator Ukuran File Video

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

Kalkulator Eksposur

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

Kalkulator Kedalaman Bidang

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

Kalkulator Panjang Fokus

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

Kalkulator Faktor Crop

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

Kalkulator Skala Resolusi

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

Kalkulator Time-lapse

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

Kalkulator Kecepatan Rana

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

Kalkulator Bidang Pandang Kamera

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

Kalkulator Jarak Hiperfokal

The focus distance that maximizes depth of field.

Kalkulator Pixel ke Ukuran Cetak

Maximum print size for an image at a chosen DPI.

Kalkulator Proyektor

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

Kalkulator Rasio Gambar

Resize an image keeping its aspect ratio.

Kalkulator Rasio Kontras

Display contrast ratio from white and black luminance.

Kalkulator Perbesaran Lensa

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

Kalkulator Foto Tanpa Kedipan

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

Kalkulator Frame ke Timecode

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

Kalkulator Timecode ke Frame

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

Kalkulator Film

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

Kalkulator Pembesaran Vertikal

Vertical exaggeration factor for profiles and cross-sections.

Kalkulator Render 3D

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

Kalkulator Bitrate Streaming

Recommended streaming bitrate and required upload speed.

Kalkulator BPM

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

Kalkulator Frekuensi Nada

Frequency of any musical note in equal temperament.

Kalkulator Interval Musik

Name the interval between two notes and its frequency ratio.

Kalkulator Tangga Nada

Generate the notes of any scale from a root note.

Kalkulator Akor

Notes and intervals for any chord from a root note.

Pencari Akor

Identify a chord from a set of notes.

Kalkulator Inversi Akor

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

Generator Progresi Akor

Build a chord progression in any key.

Transposer Akor

Transpose a chord progression to a new key.

Kalkulator Transposisi Musik

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

Kalkulator Semiton

Count the semitones between two notes.

Kalkulator Tanda Mula Kunci

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

Kalkulator Durasi Musik

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

Kalkulator Delay dan Reverb

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

Kalkulator Fret

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

Kalkulator Tegangan Senar Gitar

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

Kalkulator Deret Harmonik

First 16 harmonics of a fundamental frequency.

Kalkulator Jangkauan Vokal

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

Kalkulator Box Speaker

Recommended enclosure volume for a driver.

Kalkulator Panjang Port

Port length for a vented speaker enclosure.

Kalkulator Ukuran File Audio

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

Kalkulator Masa Pakai Baterai

Estimate device runtime from battery capacity and consumption.

Kalkulator Kapasitas Baterai

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

Kalkulator Ukuran Baterai

Minimum battery capacity for a target runtime.

Kalkulator Waktu Terbang Drone

Estimate drone flight time from battery and motor draw.

Kalkulator Motor Drone

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

Kalkulator Siklus Kerja

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

Kalkulator eDPI

Effective DPI for FPS mouse sensitivity comparison.

Kalkulator Entropi Kata Sandi

Estimate password strength in bits of entropy and crack time.

Kalkulator RAID

Usable storage and fault tolerance for a RAID array.

Kalkulator chmod

Convert Unix file permissions to octal and symbolic notation.

Kalkulator Subnet IP

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

Kalkulator CIDR

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

Kalkulator Bandwidth

Required bandwidth to transfer a file in a target time.

Kalkulator Waktu Unggah

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

Kalkulator Uptime

Allowed downtime for a given uptime percentage.

Kalkulator Transfer Data

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

Kalkulator Baud Rate

Effective data throughput of a serial connection.

Konverter Alamat IP

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

Encoder Base64

Encode text to Base64 or decode Base64 back to text.

Konverter ASCII

Convert text to ASCII codes and back.

Kalkulator Kode Hamming

Add Hamming parity bits to a binary data word.

Kalkulator Jarak Hamming

Count differing bits between two binary strings.

Kalkulator Bit Paritas

Compute the parity bit for a binary data word.

Kalkulator Gerbang Logika

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

Kalkulator Penguatan Op-Amp

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

Kalkulator Lebar Jalur PCB

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

Kalkulator Resistansi Jalur PCB

Resistance and voltage drop of a PCB copper trace.

Kalkulator Arus Jalur PCB

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

Kalkulator Impedansi PCB

Characteristic impedance of a microstrip PCB trace.

Kalkulator Impedansi Kabel

Characteristic impedance of a coaxial cable.

Kalkulator Delay Propagasi

Signal travel delay through a trace or cable.

Kalkulator LM317

Resistor value for a target LM317 regulator output voltage.

Kalkulator Latensi RAM

True memory latency in nanoseconds from CL and frequency.

Kalkulator Pencocokan Impedansi

L-network component values to match two impedances.

Kalkulator THD

THD from a fundamental and its harmonic amplitudes.

Konverter Satuan RF

Convert RF power between dBm, watts, and dBW.

Kalkulator Sandi Vigenère

Encrypt or decrypt text with the Vigenère cipher.

Konverter Hex ke Teks

Decode a hexadecimal string into readable text.

Kalkulator Floating Point

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

Kalkulator GSD

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

Kalkulator BDP

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

Kalkulator KD

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

Generator Lingkaran Minecraft

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

Kalkulator Tumpukan Minecraft

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

Kalkulator Portal Nether

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

Pencari Portal End

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

Kalkulator Permen Pokemon GO

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

Kalkulator Blok Piramida

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

Kalkulator Pembusukan Rust

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

Kalkulator Peluang Impostor

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

Kalkulator CBM

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

Kalkulator Berat Dimensi

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

Kalkulator DPMO

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

Kalkulator Kelas Kargo

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

Kalkulator Palet

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

Kalkulator Titik Pemesanan Ulang

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

Kalkulator Waktu Takt

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

Kalkulator Pemuatan Kontainer

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

Hitung Mundur Natal

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

Kalkulator Paskah

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

Kalkulator Manusia Salju

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

Kalkulator Kiamat Vampir

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

Kalkulator Invasi Zombie

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

Kalkulator Trick or Treat

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

Kalkulator Natal Putih

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

Konverter Kalender Maya

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

Kalkulator Resolusi Tahun Baru

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

Kalkulator Suhu Terasa Angin

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

Kalkulator Curah Hujan

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

Kalkulator Hujan ke Salju

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

Kalkulator Berjemur

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

Kalkulator Gempa Bumi

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

Kalkulator Antipoda

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

Kalkulator Azimuth

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

Kalkulator Jarak Lintang-Bujur

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

Kalkulator Tingkat Keterlibatan

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

Kalkulator Durasi Tabung Oksigen

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

Kalkulator Berat Berlian

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

Kalkulator Kesenjangan Upah Gender

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

Kalkulator PERT

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

Kalkulator NaNoWriMo

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

Kalkulator Adonan Garam

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

Kalkulator Tip Pizza

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

Kalkulator Matched Betting

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

Kalkulator Hari dalam Minggu

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

Kalkulator Durasi Rekrutmen

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

Kalkulator Akuarium

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

Kalkulator Ketebalan Kaca Akuarium

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

Kalkulator Kotak Pasir

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

Sandi Caesar

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

Kalkulator Bendera AS

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

Kalkulator HP 5e

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

Kalkulator Pertemuan 5e

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

Kalkulator Beli Poin 5e

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

Kalkulator EV Poker

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

Huruf Kecil ke Huruf Besar

Convert any lowercase text to UPPERCASE instantly in your browser.

Konverter Huruf Kapital

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

Konverter Huruf Kalimat

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

Generator Huruf Kapital Kecil

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

Generator Teks Kecil

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

Generator Teks Coret

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

Generator Subskrip

Convert numbers and letters to Unicode subscript characters.

Generator Superskrip

Convert numbers and letters to Unicode superscript characters.

Generator Font Gotik

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

Generator Teks Cermin

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

Konverter Angka ke Huruf

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

Konverter Huruf ke Angka

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

Pengenal Hash

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

Kalkulator Rasio Aspek 16:9

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

Kalkulator Rasio Aspek 16:10

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

Kalkulator Rasio Aspek 4:3

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

Kalkulator Rasio Aspek CSS

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

Kalkulator Rasio Aspek Piksel

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

Kalkulator Rasio Aspek Potret

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

Kalkulator Rasio Layar

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

Hari Menuju Musim Gugur

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

Hari Menuju Hari Valentine

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

Hitung Mundur Tahun Baru

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

Kalkulator Berat Karat

Convert gemstone weight in grams to carats and points.

Kalkulator Karat Berlian

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

Konversi mm ke Karat

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

Saya di Kelas Berapa

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