Length Converter
Convert between meters, centimeters, millimeters, kilometers, inches, feet, yards and miles.
Enter your numbers to see the result.
Key length conversions
Since 1959 the inch has been defined as exactly 2.54 centimeters, which fixes every imperial length in metric terms:
| From | To | Multiply by |
|---|---|---|
| Inches | Centimeters | 2.54 (exact) |
| Feet | Meters | 0.3048 (exact) |
| Yards | Meters | 0.9144 (exact) |
| Miles | Kilometers | 1.609344 (exact) |
| Centimeters | Inches | 0.393701 |
| Meters | Feet | 3.28084 |
| Kilometers | Miles | 0.621371 |
Converting height
To turn centimeters into feet and inches, divide by 2.54 to get total inches, then divide by 12. The whole number is feet and the remainder is inches.
180 cm ÷ 2.54 = 70.87 inches. 70.87 ÷ 12 = 5 remainder 10.87, so 180 cm is about 5 ft 10.9 in.
Quick estimates
- A meter is a little more than a yard (about 39.4 inches).
- To turn km into miles, multiply by 6 and divide by 10. A 10 km run is about 6.2 miles.
- A nautical mile (1,852 m) is based on one minute of latitude and is used at sea and in aviation.
Frequently asked questions
How many centimeters are in an inch?
Exactly 2.54 centimeters. This has been the international definition since 1959.
How do I convert feet to meters?
Multiply feet by 0.3048. For example, 6 feet is 1.8288 meters.
How many feet are in a mile?
There are 5,280 feet, or 1,760 yards, in a mile.
Last reviewed Oct 20, 2026. Results are estimates; check important decisions with a qualified professional.