Speed converter

Speed Converter

Convert meters per second, miles per hour, kilometers per hour, knots and more. All conversions use exact SI definitions where available.

From

3.6

1 m/s =3.6 km/h

Most-searched speed conversions

mph→km/h km/h→mph kn→mph mph→kn

Quick reference: 1 meters per second equals

Unit	Value	Symbol
Kilometers per Hour	3.6	km/h
Miles per Hour	2.23693629	mph
Feet per Second	3.2808399	ft/s
Knot	1.94384449	kn
Mach (at sea level)	0.00293867	Mach
Speed of Light	3.335641e-9	c

About speed

Convert meters per second, miles per hour, kilometers per hour, knots and more. The base SI unit for speed on this site is the meters per second (m/s). All other units are converted via this base, which keeps results consistent and accurate.

How to use this converter

01Enter a value in the input field on the left.
02Pick the unit you are converting from.
03Pick the unit you are converting to. The result updates instantly.
04Click the swap button to reverse the conversion.