From converting kilometres to miles for a road trip, kilograms to pounds at the gym, or Celsius to Fahrenheit for a recipe — unit conversions are needed constantly in daily life. Our free Unit Converter handles 7 categories and 60+ units instantly in your browser, with no app download or login required.
Categories Supported
- Length — Meter, Kilometer, Centimeter, Millimeter, Mile, Yard, Foot, Inch, Nautical Mile
- Weight — Kilogram, Gram, Milligram, Tonne, Pound, Ounce, Stone
- Temperature — Celsius, Fahrenheit, Kelvin
- Volume — Liter, Milliliter, Gallon (US/UK), Cup, Pint, Fluid Ounce, Cubic Meter
- Area — Sq Meter, Sq Kilometer, Sq Foot, Acre, Hectare, Sq Mile
- Speed — mph, kph, m/s, Knot, Mach
- Data Storage — Byte, KB, MB, GB, TB, Bit, Kilobit, Megabit
How to Convert Units
Select a category from the tabs at the top, enter your value in the From field, choose your source unit and target unit from the dropdowns, and the conversion appears instantly. You can also type in the To field to convert in reverse. Click any unit card in the results grid to quickly set it as your target unit.
Most Commonly Converted Units
- km to miles — 1 km = 0.621371 miles
- kg to pounds — 1 kg = 2.20462 lbs
- Celsius to Fahrenheit — multiply by 9/5 then add 32
- litre to gallon — 1 litre = 0.264172 US gallons
- inches to cm — 1 inch = 2.54 cm
- GB to MB — 1 GB = 1,024 MB
Convert Your Units Now
Open the free Unit Converter and convert between any units instantly. All 7 categories, 60+ units, no login required.
