Speed Unit Converter | Convert between m/s, km/h, mph and more

Online speed unit converter for precise conversion between meters per second, kilometers per hour, miles per hour, knots, Mach and more with professional results and reference knowledge.

Meter per second(m/s)

Current Unit

Kilometer per hour(km/h)

Formula:1 m/s = 3.6 km/h

Calculation Process:0 m/s × 3.6 = undefined km/h

Kilometer per second(km/s)

Formula:1 m/s = 0.001 km/s

Calculation Process:0 m/s × 0.001 = undefined km/s

Centimeter per second(cm/s)

Formula:1 m/s = 100 cm/s

Calculation Process:0 m/s × 100 = undefined cm/s

Millimeter per second(mm/s)

Formula:1 m/s = 1000 mm/s

Calculation Process:0 m/s × 1000 = undefined mm/s

Meter per minute(m/min)

Formula:1 m/s = 60 m/min

Calculation Process:0 m/s × 60 = undefined m/min

Kilometer per minute(km/min)

Formula:1 m/s = 0.06 km/min

Calculation Process:0 m/s × 0.06 = undefined km/min

Mile per hour(mph)

Formula:1 m/s = 2.236936 mph

Calculation Process:0 m/s × 2.236936 = undefined mph

Mile per second(mi/s)

Formula:1 m/s = 0.000621 mi/s

Calculation Process:0 m/s × 0.000621 = undefined mi/s

Mile per minute(mi/min)

Formula:1 m/s = 0.037282 mi/min

Calculation Process:0 m/s × 0.037282 = undefined mi/min

Foot per second(ft/s)

Formula:1 m/s = 3.28084 ft/s

Calculation Process:0 m/s × 3.28084 = undefined ft/s

Foot per minute(ft/min)

Formula:1 m/s = 196.850394 ft/min

Calculation Process:0 m/s × 196.850394 = undefined ft/min

Foot per hour(ft/h)

Formula:1 m/s = 11811.023157 ft/h

Calculation Process:0 m/s × 11811.023157 = undefined ft/h

Yard per second(yd/s)

Formula:1 m/s = 1.093613 yd/s

Calculation Process:0 m/s × 1.093613 = undefined yd/s

Inch per second(in/s)

Formula:1 m/s = 39.370079 in/s

Calculation Process:0 m/s × 39.370079 = undefined in/s

Knot(kn)

Formula:1 m/s = 1.943844 kn

Calculation Process:0 m/s × 1.943844 = undefined kn

Mach(Ma)

Formula:1 m/s = 0.002939 Ma

Calculation Process:0 m/s × 0.002939 = undefined Ma

Speed of light(c)

Formula:1 m/s = 3.335641e-9 c

Calculation Process:0 m/s × 3.335641e-9 = undefined c

Speed Unit Knowledge

Speed Unit Basics

Speed units are standards for measuring how fast an object moves. The basic unit of speed in the International System of Units (SI) is meters per second (m/s), which represents a distance of 1 meter traveled in 1 second.

Common Speed Unit Conversions

1 meter per second (m/s) = 3.6 kilometers per hour (km/h) = 2.237 miles per hour (mph)
1 kilometer per hour (km/h) = 0.278 meters per second (m/s) = 0.621 miles per hour (mph)
1 mile per hour (mph) = 1.609 kilometers per hour (km/h) = 0.447 meters per second (m/s)
1 knot = 1.852 kilometers per hour (km/h) = 0.514 meters per second (m/s).

Special Speed Units

Mach is a dimensionless unit representing the ratio of an object's speed to the speed of sound, which is approximately 340.29 meters per second at standard conditions (15°C, sea level)
The speed of light (c) is the ultimate speed limit in the universe, approximately 299,792,458 meters per second.

Difference Between Speed and Velocity

In physics, speed is a scalar quantity with only magnitude, while velocity is a vector with both magnitude and direction. The speed units in everyday use typically refer to the rate, which is the distance moved per unit time, regardless of direction.

Speed Units in Various Fields

Aviation commonly uses knots and Mach
maritime navigation primarily uses knots
land transportation uses kilometers per hour (km/h) or miles per hour (mph)
scientific research often uses meters per second (m/s)
computer network transmission speed commonly uses bits per second (bps) or bytes per second (Bps).