Speed Converter

Convert kilometers per hour, miles per hour, meters per second, knots and other speed units instantly.

Speed Details

Enter conversion details

Enter a speed value and select the source and destination units.

Quick Conversions

Select a pair

Speed Value

From Unit

km/h

To Unit

mph

Common speed units

km/h is common for road speeds, mph is widely used in the US and UK, while knots are commonly used for marine and aviation speeds.

Enter a speed value, select the source and destination units, then click Convert Speed.

Popular Speed Units

km/h

Kilometer / Hour

mph

Mile / Hour

m/s

Meter / Second

Knot

Simple Process

Enter a speed value, select the source and destination units and get the converted result instantly.

Enter the speed value you want to convert.

Choose the source and destination speed measurement units.

See the converted speed and equivalent values in other units.