Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
Length Reference
| From | To | Value |
|---|---|---|
| 1 meter | centimeters | 100 cm |
| 1 meter | feet | 3.28084 ft |
| 1 kilometer | miles | 0.621371 mi |
| 1 inch | centimeters | 2.54 cm |
| 1 foot | meters | 0.3048 m |
| 1 mile | kilometers | 1.60934 km |
| 1 yard | meters | 0.9144 m |
Length is one of the most commonly converted measurements in everyday life. Whether you're following a recipe from another country, reading technical specifications, checking a product listing, or planning a home renovation, you'll often encounter units that differ from the ones you use. The metric system uses millimeters, centimeters, meters, and kilometers, while the imperial system — common in the United States — uses inches, feet, yards, and miles. This free length converter lets you switch between all of them instantly.
How to use this tool
- Enter the value you want to convert in the From field.
- Select your starting unit from the first dropdown (e.g. meters).
- Select your target unit from the second dropdown (e.g. feet). The result updates instantly.
- Click Copy result to copy the converted value to your clipboard.
Frequently asked questions
How many centimeters are in an inch?
There are exactly 2.54 centimeters in one inch. This is a defined conversion — it's exact, not an approximation.
How do I convert kilometers to miles?
Multiply the number of kilometers by 0.621371 to get miles. For example, 10 km × 0.621371 = 6.21371 miles. Our converter handles this automatically.
What is the difference between meters and yards?
A meter is slightly longer than a yard. One meter equals 1.09361 yards, or conversely, one yard equals 0.9144 meters.
How many feet are in a mile?
There are exactly 5,280 feet in one mile, and 1,760 yards in a mile.