How do I convert km/h to mph quickly?

Multiply km/h by 0.6214 to get mph, or use this converter for an exact result.

What's a knot in this converter?

A knot is 1 nautical mile per hour, equal to about 1.852 km/h, commonly used in aviation and marine navigation.

Convert between km/h, mph, m/s and knots.

How this is calculated

Converts via a common base unit (metres/second) using exact multipliers

Convert between km/h, mph, m/s and knots.

Worked example

100 km/h to mph

Result: 62.14 mph

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