Unit Converter
Convert length, weight, temperature, volume, area, speed, time and data size. Exact definitions, a table of every unit, free and private.
Result
- Result
2.54 - In words
1 inch (in) = 2.54 centimetre (cm)
| millimetre (mm) | 25.4 |
| centimetre (cm) | 2.54 |
| metre (m) | 0.0254 |
| kilometre (km) | 0.000025 |
| inch (in) | 1 |
| foot (ft) | 0.083333 |
| yard (yd) | 0.027778 |
| mile (mi) | 0.000016 |
| nautical mile (nmi) | 0.000014 |
Shortcuts: Ctrl+Enter run · Ctrl+Shift+C copy result · / search (use ⌘ on Mac)
Next steps
Done here? Use the Send to… menu on the result to carry it on to Percentage Calculator or Number Byte Formatter.
Free Online Unit Converter
Change a measurement from one unit to another: centimetres to inches, pounds to kilograms, Celsius to Fahrenheit and more. Pick a type, type a number and see it in every unit at once. Convert between units of length, weight, temperature, volume, area, speed, time and data size. It uses the exact legal definitions and shows the answer in every unit of the group.
How to convert a unit
Choose a type (such as length), type your number, then pick the unit you have and the unit you want. Use the swap button to turn the conversion around. The table underneath shows the same value in every unit of that type.
What it can convert
Length, mass (weight), temperature, volume, area, speed, time and data size. The decimals box sets how many digits are shown after the point.
Common mistakes
- Mixing up US and UK gallons or cups: they are different sizes.
- Using 1,000 where a computer uses 1,024 for memory: KB and KiB are not the same.