Free unit converters
Convert length, weight, temperature, distance, volume and data sizes instantly, with charts of common values. Two-way converters with exact factors and handy reference charts.
CM to inches converter
Convert centimetres to inches and inches to cm instantly, with a quick chart for common clothing and screen sizes.
KG to pounds converter
Convert kilograms to pounds and pounds to kg instantly, with a chart of common weights.
Celsius to Fahrenheit converter
Convert temperatures between Celsius and Fahrenheit instantly, with the formula and a chart of common temperatures.
KM to miles converter
Convert kilometres to miles and miles to km instantly, including running distances like 5K, 10K and marathons.
Litres to gallons converter
Convert litres to US gallons (and see UK gallons) and gallons back to litres, for fuel, water tanks and cooking.
Feet to metres converter
Convert feet to metres and metres to feet instantly, plus a quick chart for heights and room sizes.
MB to GB converter
Convert megabytes to gigabytes using decimal (1000) units, and see the binary (1024) GiB value used by Windows.