Speed Converter
Convert between 6 speed units.
Supported Units
| Unit | Symbol | Description |
|---|---|---|
| meters per second | m/s | SI derived unit of speed. |
| kilometers per hour | km/h | Metric road speed unit. |
| miles per hour | mph | Imperial road speed unit. |
| knots | kn | Nautical and aviation speed. |
| feet per second | ft/s | Imperial scientific unit. |
| mach | Ma | Speed of sound multiplier. |
All Speed Converters
meters per second to…
kilometers per hour to…
miles per hour to…
feet per second to…
About Speed Conversions
Speed conversion is essential for travelers, pilots, sailors, and engineers. The world is divided on speed: the US and UK use miles per hour (mph) for roads, while the rest of the world uses kilometers per hour (km/h). In the air and at sea, 'knots' are the universal language. Scientists prefer meters per second (m/s). Whether you're driving in a foreign country, tracking a hurricane, or studying physics, our speed converter bridges the gap. Key numbers: 60 mph ≈ 96.5 km/h, and 1 knot ≈ 1.15 mph.