Free online speed converter. Convert between m/s, km/h, mph, knots and Mach.
All calculations run locally. No data uploaded.
| Unit | Symbol | 1 base = |
|---|---|---|
| Meter/second | m/s | 1 m/s = 1 base |
| Kilometer/hour | km/h | 1 km/h = 0.2777777778 base |
| Centimeter/second | cm/s | 1 cm/s = 0.01 base |
| Mile/hour | mph | 1 mph = 0.44704 base |
| Foot/second | ft/s | 1 ft/s = 0.3048 base |
| Knot | kn | 1 kn = 0.5144444444 base |
| Mach | Ma | 1 Ma = 343 base |
| Speed of light | c | 1 c = 299792458 base |
Speed describes how fast something moves, used in traffic, sports and aviation.
Susuan365 speed converter covers metric, imperial, nautical and physics units.