About This Speed Unit Converter
Convert speed units for travel, marine navigation, aviation, physics, and engineering. The base unit is meters per second, with common metric, imperial, nautical, Mach, and light-speed scales available.
How to use it
Enter a speed, select the source unit, and choose the output unit. Swap reverses the conversion, and Reset returns to meters per second to kilometers per hour.
Units covered
Supported units include m/s, km/h, mph, knots, ft/s, m/min, cm/s, Mach at sea level, and speed of light. Reference checks: 1 m/s equals 3.6 km/h, and 100 km/h equals about 62.137 mph.