How to use
- Type the length.
- Choose the unit to convert from and to.
- Read the result or the table of all length units.
Options explained
- Inch and foot
- Defined exactly as 2.54 cm and 30.48 cm since 1959.
- Nautical mile
- Exactly 1,852 metres, used at sea and in aviation.
Examples
| Length | Converted |
|---|---|
| 10 cm | 3.937 in |
| 6 ft | 1.8288 m |
| 5 km | 3.107 mi |
Frequently asked questions
How do I convert height in feet and inches to centimetres?
Multiply the feet by 30.48 and the inches by 2.54 and add them. 5 ft 9 in = 152.4 + 22.86 = 175.26 cm.
How many kilometres is a mile?
Exactly 1.609344 km. A kilometre is about 0.621 miles.
Is a Chinese chi the same as a foot?
No. The market chi (市尺) is 1/3 metre, about 33.3 cm, slightly longer than a foot (30.48 cm).
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