Unit converters
Fast, accurate conversions between metric and imperial units. Enter a value, pick two units, get the answer instantly.
All converters
Length Converter
Convert meters, feet, inches, miles, kilometers and more instantly.
Weight Converter
Convert kilograms, pounds, ounces, stones and tons in one step.
Volume Converter
Convert liters, gallons, cups, milliliters and cubic units instantly.
Area Converter
Convert square meters, square feet, acres, hectares and more.
Speed Converter
Convert km/h, mph, m/s, knots and ft/s with precision.
Data Storage Converter
Convert bytes, KB, MB, GB, TB and bits — binary and decimal bases handled correctly.
What you can convert
- length
- km to miles, inches to cm, feet to meters and more.
- weight & mass
- kg to lbs, ounces to grams, stones and tons.
- volume
- liters to gallons, cups to milliliters for cooking and more.
- area
- square feet to square meters, acres and hectares.
- speed
- mph to km/h, knots and meters per second.
- data
- bytes, KB, MB, GB, TB — decimal and binary units.