Unit Converter

Free Online Unit Converter

Quick and accurate converters for everyday units. Pick a tool below and get your answer instantly. Everything is free and runs right in your browser.

Length

cm to inches inches to cm feet to inches feet to m m to feet inches to mm mm to inches km to miles miles to km

Weight

kg to lbs lbs to kg g to oz oz to g kg to stone stone to lbs lbs to oz

Temperature

celsius to fahrenheit fahrenheit to celsius celsius to kelvin kelvin to celsius

Speed

kmh to mph mph to kmh knots to mph

Area

acres to sqft sqft to sqm sqm to sqft hectares to acres

Volume

gallons to liters liters to gallons cups to ml ml to cups tbsp to tsp

Data Storage

GB to MB MB to GB GB to TB KB to MB

Time

days to hours hours to minutes minutes to seconds time zone converter

Note on measurements: Volume converters use US measures (US cups, gallons, and so on). Data storage uses the binary system, where 1 GB equals 1024 MB. Every converter is free, works instantly, and runs in your browser.