About inches and kilometres
An inch (in) is an imperial and US unit of length. There are 12 inches in a foot, and one inch is exactly 2.54 centimetres.
A kilometre (km) is 1,000 metres. It is the standard unit for road distances and map distances in most countries.
How the conversion works
Converts inches to kilometres, and back again. Type a value in either box and the other one updates as you type. The conversion uses 1 inch = 0.0000254 kilometres.
Inch to Kilometre conversion table
| inches | kilometres |
|---|---|
| 1 inch | 0.0000254 kilometres |
| 2 inches | 0.0000508 kilometres |
| 5 inches | 0.000127 kilometres |
| 10 inches | 0.000254 kilometres |
| 25 inches | 0.000635 kilometres |
| 50 inches | 0.00127 kilometres |
| 100 inches | 0.00254 kilometres |
| 1,000 inches | 0.0254 kilometres |
How to use it
- Enter a value in inches to see it in kilometres, or type in the other box to convert the opposite way.
- Check the quick conversion table below for common values.
- To convert by hand, multiply the number of inches by 0.0000254.
Did you know?
- The inch was fixed at exactly 2.54 centimetres by an international agreement in 1959.
- The Earth's circumference around the equator is about 40,075 kilometres.