Calculators
Unit Converter: Length, Weight, Temperature and More
Convert between metric and imperial units of length, weight, temperature, volume, area, speed, time and data size, like cm to inches, kg to lbs or Celsius to Fahrenheit. Results appear as you type.
1 centimetres = 0.3937007874 inches
How to use the Unit Converter
- Choose what you're converting, such as length or weight.
- Enter a value and pick the units to convert from and to.
- Read the result, swap the units with one click, or copy it.
Frequently asked questions
- How many centimetres are in an inch?
- Exactly 2.54. To turn cm into inches, divide by 2.54; 10 cm is about 3.937 inches.
- How do I convert kg to pounds?
- Multiply by about 2.20462. One pound is exactly 0.45359237 kg.
- How do I convert Celsius to Fahrenheit?
- Multiply by 9/5 and add 32. 20 °C is 68 °F, and −40 is the same in both scales.
- Are US and UK gallons the same?
- No. A US gallon is 3.785 litres and a UK (imperial) gallon is 4.546 litres. Pints and fluid ounces differ too, so both are listed.
- What's the difference between MB and MiB?
- A megabyte (MB) is 1,000,000 bytes; a mebibyte (MiB) is 1,048,576 bytes. Drive makers use MB and GB, while some computers show MiB and GiB.
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