Length Converter
Type a length once and see it in every common metric and imperial unit.
- Millimetres
- –
- Centimetres
- –
- Metres
- –
- Kilometres
- –
- Inches
- –
- Feet
- –
- Yards
- –
- Miles
- –
How it is calculated
- Everything is converted through metres.
- 1 inch = 0.0254 m exactly; 1 foot = 12 inches = 0.3048 m; 1 yard = 0.9144 m; 1 mile = 1,609.344 m.
Worked example
| You enter | |
|---|---|
| Value | 1 |
| From | Feet (ft) |
| You get | |
| Millimetres | 304.8 mm |
| Centimetres | 30.48 cm |
| Metres | 0.3048 m |
| Kilometres | 0.000305 km |
| Inches | 12 in |
| Feet | 1 ft |
| Yards | 0.333333 yd |
| Miles | 0.000189 mi |
Sources and checks
Last checked: 12 October 2026. This calculator passes 4 automatic tests before every release.
Conversions use exact legal definitions where they exist. Results are rounded for display. Results are estimates for information only and are not financial, tax or legal advice. Check important figures with a qualified professional before you act on them.