Unit Converters

Length & Distance Converter

Meters, miles, feet, light years and more

Weight & Mass Converter

Kilograms, pounds, ounces, tons and more

Temperature Converter

Celsius, Fahrenheit, Kelvin, Rankine and more

Area Converter

Square meters, acres, hectares, square feet and more

Volume Converter

Liters, gallons, milliliters, cubic meters and more

Speed Converter

km/h, mph, m/s, knots, Mach and more

Pressure Converter

Bar, PSI, atm, Pa, mmHg, kPa and more

Energy Converter

Joules, kWh, calories, BTU, electronvolts and more

Power Converter

Watts, kilowatts, horsepower, BTU/h and more

Force Converter

Newtons, kilonewtons, pound-force, kilogram-force and more

Torque Converter

Newton-meters, foot-pounds, kilogram-force meters and more

Density Converter

kg/m³, g/cm³, g/ml, lb/ft³ and more

Acceleration Converter

m/s², g-force, ft/s², cm/s², Gal and more

Angle Converter

Degrees, radians, gradians, arcminutes, arcseconds and more

Frequency Converter

Hz, kHz, MHz, GHz, RPM, rad/s and more

Time Converter

Seconds, minutes, hours, days, weeks, months, years and more

Timezone Converter

Convert time between world timezones

File Size Converter

Bytes, KB, MB, GB, TB, KiB, MiB, GiB and more

Data Transfer Speed Converter

Mbps, MB/s, Gbps, KB/s and more

Number Base Converter

Binary, octal, decimal, hexadecimal and more

Currency Converter

150+ currencies, live rates updated daily

Cooking Measurements Converter

Cups, tablespoons, teaspoons, ml and more

Illuminance & Luminance Converter

Lux, foot-candle, lumen, candela, nit and more

Aperture, Shutter Speed & ISO Converter

Exposure stops: f/1.4 → f/5.6, 1/60 → 1/500, ISO 100 → 3200

Fuel Consumption Converter

L/100km ↔ MPG ↔ km/L and other fuel units

Roman Numeral Converter

Arabic ↔ Roman numerals, range 1–3999