Format Converters
37 tools available
Angle Converter
Convert angles between degrees, radians, gradians, turns, arcminutes, and arcseconds with visual representation
Area Converter
Convert area between square meters, square feet, acres, hectares, square kilometers, square miles, and more
Blood Sugar Converter
Convert blood sugar (glucose) levels between mg/dL and mmol/L with fasting reference ranges
BMI Calculator
Calculate Body Mass Index from height and weight with metric and imperial unit support
Byte / Data Size Converter
Convert between bytes, KB, MB, GB, TB, and PB with SI and binary (IEC) standards
Clothing Size Converter
Convert clothing sizes between US, EU, UK, and Asian (JP, KR) systems for men, women, and children
Cooking Measurement Converter
Convert cooking measurements between cups, tablespoons, teaspoons, ml, and grams with ingredient density
Currency Converter
Convert between 30+ major world currencies with exchange rates. Shows rate and inverse rate.
Data Size Converter
Convert between bits, bytes, KB, MB, GB, TB, and PB with SI and binary (IEC) units
Date Format Converter
Convert dates between ISO 8601, RFC 2822, US, EU formats, and Unix timestamps
Date Difference Calculator
Calculate the difference between two dates in years, months, days, weeks, hours, and minutes. Add or subtract days from a date.
Density Converter
Convert density values between kg/m³, g/cm³, lb/ft³, lb/gal, and oz/in³
Electricity Cost Calculator
Calculate electricity costs for appliances based on power consumption, usage hours, and energy price
Energy Converter
Convert between joules, calories, kilowatt-hours, BTU, electron volts, foot-pounds, and more
Epoch Batch Converter
Convert multiple Unix timestamps to dates (or dates to timestamps) all at once
Flow Rate Converter
Convert flow rate values between liters per minute, gallons per minute, cubic meters per hour, cubic feet per minute, and milliliters per second
Frequency Converter
Convert between Hz, kHz, MHz, GHz, THz, RPM, and BPM frequency units
Fuel Consumption Converter
Convert fuel efficiency between MPG (US/UK), km/L, L/100km, and miles per liter
Illuminance Converter
Convert illuminance values between lux, foot-candles, phot, and nox with reference lighting levels
Length Converter
Convert lengths and distances between metric, imperial, nautical, and astronomical units
Number to Words
Convert numbers to their English word form and vice versa. Supports integers, decimals, negative numbers, and large numbers.
Numeral System Converter
Convert between numeral systems: Arabic, Roman, Chinese, Japanese, and Thai numerals. Supports large numbers.
Paper Size Converter
Convert between paper size standards (A, B, C series, US Letter, Legal, Tabloid) with dimensions in mm, inches, and points
Power Converter
Convert between power units including watts, kilowatts, megawatts, horsepower, BTU/hr, and more
Pressure Converter
Convert pressure between pascals, bar, atmospheres, torr, psi, and inches of mercury
Shoe Size Converter
Convert shoe sizes between US, UK, EU, and cm/inches for men, women, and children
Speed Converter
Convert speed and velocity between m/s, km/h, mph, knots, Mach, and the speed of light
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine with live formulas
Time Converter
Convert time durations between seconds, minutes, hours, days, weeks, months, years, milliseconds, and microseconds
Timezone Converter
Convert date and time between different timezones worldwide
Timezone Meeting Planner
Find meeting times that work across multiple time zones. View an availability grid for selected zones.
Tip Calculator
Calculate tip amounts and split bills among multiple people
Torque Converter
Convert torque values between Newton-meters, foot-pounds, kilogram-force meters, inch-pounds, and dyne-centimeters
Unit Converter
Convert between units of length, weight, temperature, volume, area, speed, digital storage, and time
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
Volume Converter
Convert volume between liters, gallons, cups, tablespoons, teaspoons, milliliters, fluid ounces, pints, and quarts
Weight Converter
Convert weight and mass between kilograms, pounds, ounces, stones, tons, carats, and more