Skip to content
ExactUnit

Speed converter

Convert linear speeds in metric, customary, and nautical units.

Unit converter
Edit either value
1 m/s = 3.6 km/h

Results rounded to 12 significant digits.

All speed conversions

Choose your starting unit. Each direction has its own calculator, formula, and examples.

Convert Meters per second

Convert Kilometers per hour

Convert Miles per hour

Convert Feet per second

Convert Knots

Using speed measurements

A knot is one international nautical mile (1852 meters) per hour. Mach is excluded because the speed of sound depends on the medium and conditions. Carry the same physical assumptions into subsequent physics calculations.

Popular conversions

A shortcut to your next answer
SpeedMeters per second to kilometers per hourSpeedMeters per second to miles per hourSpeedMeters per second to feet per secondSpeedMeters per second to knotsSpeedKilometers per hour to meters per secondSpeedKilometers per hour to miles per hour