Unit Conversions
Basic

km/h to mph

Convert speed from km/h to mph.

Formula

mph=km/h×0.621371\text{mph} = \text{km/h} \times 0.621371

Variables

Example

100 km/h × 0.621371 = 62.14 mph.

Did You Know?

Most of the world posts speed limits in km/h; only a handful of countries, including the US and UK, use mph.

speedvelocityconversion