AccuUnit
Standard Tools

Speed Converter.

Convert meters per second, kilometers per hour, miles per hour, and knots.

Speed Converter
m/s
km/h
Value in Kilometers per hour = Value in Meters per second × 3.6 Multiply the value in meters per second by the conversion factor 3.6.

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Units Defined in Speed

Below is the complete registry of units supported within the conversion tool.

Meter per Second

m/s, mps

The SI derived unit of speed.

Kilometer per Hour

km/h, kmh, kph

Metric speed unit commonly used for road speeds worldwide.

Mile per Hour

mph, mi/h

Speed unit used primarily in the US and UK for road speed limits.

Knot

kt, knot, knots, kn

Speed unit equal to one nautical mile per hour. Standard in aviation, maritime, and meteorology.

Supported Conversions for Speed

Quick lookup links for popular conversions in this directory.

Meter per Second to Kilometer per Hour (m/s to km/h) Meter per Second to Mile per Hour (m/s to mph) Meter per Second to Knot (m/s to kt) Kilometer per Hour to Meter per Second (km/h to m/s) Kilometer per Hour to Mile per Hour (km/h to mph) Kilometer per Hour to Knot (km/h to kt) Mile per Hour to Meter per Second (mph to m/s) Mile per Hour to Kilometer per Hour (mph to km/h) Mile per Hour to Knot (mph to kt) Knot to Meter per Second (kt to m/s) Knot to Kilometer per Hour (kt to km/h) Knot to Mile per Hour (kt to mph)
FAQs

Frequently Asked Questions

How do you convert mph to km/h?

Multiply the speed in mph by 1.609344. For example, 60 mph is approximately 96.56 km/h.

What is a knot in speed?

A knot is one nautical mile per hour, which is exactly 1.852 kilometers per hour, or about 1.151 miles per hour.

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