Unit Converters

Unit Converter

Convert length, weight, temperature, area, volume, speed, and data units.

Length Converter

Meters, feet, inches, kilometers, miles — converted exactly.

Weight Converter

Kilograms, pounds, ounces, stone, and tons — converted exactly.

Temperature Converter

Celsius, Fahrenheit, and Kelvin with the exact formulas.

Area Converter

Square meters, square feet, acres, and hectares.

Volume Converter

Liters, gallons (US & UK), cups, pints, and fluid ounces.

Speed Converter

km/h, mph, m/s, and knots converted exactly.

Data Storage Converter

Bytes through terabytes, in both decimal (GB) and binary (GiB).

CM to Inches Converter

Centimeters to inches (and back) with the exact 2.54 definition.

KG to LBS Converter

Kilograms to pounds (and back) using the exact definition.

Celsius to Fahrenheit Converter

°C to °F (and back) with the exact formula.

Liters to Gallons Converter

Liters to US gallons (and back), with the UK gallon one click away.

Pressure Converter

Pascals, bar, PSI, atmospheres, and mmHg converted exactly.

Energy Converter

Joules, calories, kilowatt-hours, and more converted exactly.

Power Converter

Watts, kilowatts, and horsepower converted exactly.

Time Unit Converter

Milliseconds, seconds, minutes, hours, days, and weeks.

Square Feet to Square Meters

Convert sq ft to sq m (and back) with the exact factor.

Fuel Economy Converter

Convert MPG (US & UK) to L/100km and back.

Currency Converter

Convert between 50+ currencies with live ECB exchange rates.

USD to EUR

Convert US Dollars to Euros at today's live rate.

EUR to USD

Convert Euros to US Dollars at today's live rate.

USD to GBP

Convert US Dollars to British Pounds at the live rate.

USD to INR

Convert US Dollars to Indian Rupees at the live rate.