Length Converter
Convert any length or distance between metric and imperial units instantly. From everyday measurements like feet and inches to scientific units like nanometers — our length converter handles it all with full precision.
Common Length Conversions
| From | To |
|---|---|
| 1 kilometer (km) | 1,000 meters (m) |
| 1 meter (m) | 100 centimeters (cm) |
| 1 mile | 1.60934 km |
| 1 mile | 5,280 feet |
| 1 yard | 3 feet |
| 1 foot | 12 inches |
| 1 foot | 30.48 cm |
| 1 inch | 2.54 cm |
| 1 nautical mile | 1.852 km |
| 1 meter | 3.28084 feet |
| 1 meter | 39.3701 inches |
| 1 km | 0.621371 miles |
Length Unit Definitions
- Meter (m)
- The SI base unit of length, defined as the distance light travels in 1/299,792,458 of a second in vacuum.
- Kilometer (km)
- Equal to 1,000 meters. Used for road distances in most countries.
- Mile (mi)
- An imperial unit equal to 5,280 feet or 1,609.344 meters. Standard for road distances in the US and UK.
- Foot (ft)
- Equal to 12 inches or 0.3048 meters. Widely used in the US, aviation, and construction.
- Inch (in)
- 1/12 of a foot, equal to 2.54 centimeters exactly.
- Nautical mile (nmi)
- Equal to 1,852 meters. Used in aviation and maritime navigation.
Frequently Asked Questions
How many feet are in a meter?
There are exactly 3.28084 feet in one meter. Conversely, 1 foot = 0.3048 meters.
How do I convert kilometers to miles?
Multiply kilometers by 0.621371. Example: 10 km × 0.621371 = 6.214 miles. To go from miles to km, multiply by 1.60934.
What is the difference between a mile and a nautical mile?
A statute mile is 1,609.34 m; a nautical mile is exactly 1,852 m. Nautical miles are used in aviation and maritime navigation because they correspond to one arcminute of latitude.
How many centimeters are in an inch?
Exactly 2.54 centimeters equal one inch. This is the defined conversion — not an approximation.