Length input
Unit converter
Length Converter
Convert millimeters, centimeters, meters, kilometers, inches, feet, yards and miles instantly.
metric + imperial
Length conversion formulas
| Conversion | Formula |
|---|---|
| Inches to centimeters | cm = in x 2.54 |
| Centimeters to inches | in = cm / 2.54 |
| Feet to meters | m = ft x 0.3048 |
| Meters to feet | ft = m / 0.3048 |
| Miles to kilometers | km = mi x 1.609344 |
| Kilometers to miles | mi = km / 1.609344 |
Length reference table
| Unit | Meter value | Common use |
|---|---|---|
| 1 Millimeter | 0.001 m | Small dimensions and engineering |
| 1 Centimeter | 0.01 m | Body measurements and everyday sizes |
| 1 Inch | 0.0254 m | Screen sizes and product dimensions |
| 1 Foot | 0.3048 m | Height, rooms and construction |
| 1 Yard | 0.9144 m | Fabric and sports fields |
| 1 Mile | 1609.344 m | Road distance |
Length converter FAQ
How many centimeters are in an inch?
One inch is exactly 2.54 centimeters.
How many feet are in a mile?
One mile is exactly 5,280 feet.
How do I convert cm to feet and inches?
Divide centimeters by 2.54 for inches, then divide by 12 for feet.
Are conversion factors exact?
The inch-to-meter definition is exact; displayed results may be rounded.