Speed Converter

Convert between km/h, mph, m/s, knots, Mach number and more speed units.

All Speed Converters

Metres/second to Kilometres/hour
m/s → km/h
Metres/second to Miles/hour
m/s → mph
Metres/second to Feet/second
m/s → ft/s
Metres/second to Knots
m/s → kn
Metres/second to Mach
m/s → Ma
Kilometres/hour to Metres/second
km/h → m/s
Kilometres/hour to Miles/hour
km/h → mph
Kilometres/hour to Feet/second
km/h → ft/s
Kilometres/hour to Knots
km/h → kn
Kilometres/hour to Mach
km/h → Ma
Miles/hour to Metres/second
mph → m/s
Miles/hour to Kilometres/hour
mph → km/h
Miles/hour to Feet/second
mph → ft/s
Miles/hour to Knots
mph → kn
Miles/hour to Mach
mph → Ma
Feet/second to Metres/second
ft/s → m/s
Feet/second to Kilometres/hour
ft/s → km/h
Feet/second to Miles/hour
ft/s → mph
Feet/second to Knots
ft/s → kn
Feet/second to Mach
ft/s → Ma
Knots to Metres/second
kn → m/s
Knots to Kilometres/hour
kn → km/h
Knots to Miles/hour
kn → mph
Knots to Feet/second
kn → ft/s
Knots to Mach
kn → Ma
Mach to Metres/second
Ma → m/s
Mach to Kilometres/hour
Ma → km/h
Mach to Miles/hour
Ma → mph
Mach to Feet/second
Ma → ft/s
Mach to Knots
Ma → kn

About Speed Units

Speed is the rate of change of position. The SI unit is metres per second (m/s). Knots are used in maritime and aviation. Mach 1 ≈ 340 m/s at sea level.

Units Covered