Unit Converter
Convert centimetres to inches, kilograms to pounds, Celsius to Fahrenheit and much more. Type a value and the answer appears straight away.
Your data stays on your device.
0.39370079
1 Centimetres (cm) in Inches (in)
Show in all length units
- Millimetres (mm)
- 10
- Centimetres (cm)
- 1
- Metres (m)
- 0.01
- Kilometres (km)
- 0.00001
- Inches (in)
- 0.39370079
- Feet (ft)
- 0.0328084
- Yards (yd)
- 0.01093613
- Miles (mi)
- 0.00000621
Features
- Length, weight, temperature, volume, area and speed
- Metric, US and UK units
- One click to swap the two units
- See the value in every unit of the group
How to use Unit Converter
- Choose what you want to convert.
- Type the value.
- Pick the units to convert from and to.
Frequently asked questions
How many centimetres are in an inch?
Exactly 2.54. One foot is 30.48 centimetres and one mile is 1,609.344 metres.
How do I convert Celsius to Fahrenheit?
Multiply by 9, divide by 5 and add 32. So 20 °C is 68 °F. The other way: subtract 32, multiply by 5 and divide by 9.
Why are there US and UK gallons?
They are different sizes. A US gallon is about 3.785 litres and a UK gallon about 4.546 litres. Cups, pints and fluid ounces in this tool are the US versions.
How precise are the results?
The conversion factors are the exact defined values. Results are shown with up to 10 significant digits.