📏 Length Converter
Enter a value, choose the unit you have and the unit you want. All other common units are listed too.
Converted value
How the Length Converter works
Each value is converted to a base unit using exact, internationally defined factors, then to the unit you want.
1 inch = 2.54 cm (exact) · 1 foot = 0.3048 m · 1 yard = 0.9144 m · 1 mile = 1.609344 km · 1 nautical mile = 1,852 m
Step-by-step calculation
- 1Enter the value.
- 2Choose the unit you have and the unit you want.
- 3The value is converted to a base unit with exact factors.
- 4It is converted to your target unit (all others are listed too).
Worked example
1 mile = 1.609344 km, and 6 feet = 1.8288 m (182.88 cm).
Length Converter examples
| Value | Converted value |
|---|---|
| 1 | 1.6093 km |
| 2 | 3.2187 km |
| 5 | 8.0467 km |
| 10 | 16.0934 km |
| 100 | 160.9344 km |
Other inputs kept at the calculator's default values. Results calculated by this calculator.
Why use a Length Converter?
Convert distances for travel, sports, building and school.
Important factors that can affect your results
- US survey feet differ very slightly from international feet.
- Nautical vs statute miles.
- Rounding.
Frequently asked questions
How many centimeters in an inch?
Exactly 2.54 cm, by international agreement since 1959.
How many feet in a mile?
5,280 feet.
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Last reviewed November 2026 · How we build and check our tools · Report a problem