Length input
Unit converter
Length Converter
Convert millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles instantly. Includes feet-and-inches output, formulas, and popular conversion shortcuts.
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, engineering |
| 1 centimeter | 0.01 m | Body measurements, everyday sizes |
| 1 inch | 0.0254 m | Screen sizes, product dimensions |
| 1 foot | 0.3048 m | Height, rooms, construction |
| 1 yard | 0.9144 m | Fabric, sports fields |
| 1 mile | 1609.344 m | Road distance |
Popular length conversions
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, or 1,760 yards.
How do I convert height from cm to feet and inches?
Convert centimeters to total inches by dividing by 2.54, then divide by 12 for feet and use the remainder as inches.