Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles instantly.
Type in any field and the others update automatically.
Type in any field — the others update instantly.
All length conversions use meters as the base unit.
Metric conversions:
- 1 meter = 1,000 mm = 100 cm = 0.001 km
Imperial conversions:
- 1 meter = 39.3701 inches = 3.28084 feet = 1.09361 yards
Cross-system:
- 1 inch = 2.54 cm (exact)
- 1 foot = 0.3048 m (exact)
- 1 mile = 1.60934 km
- 1 yard = 0.9144 m (exact)
Common references:
- A doorway is about 2 m (6.6 ft) tall
- A football field is 100 yards (91.44 m)
- A marathon is 42.195 km (26.219 miles)