KM/H to MPH - Speed Converter

Convert kilometers per hour to miles per hour instantly. Free km/h to mph calculator with formula. 1 km/h = 0.621371 mph.

mph

1 km/h = 0.621372 mph

Conversion Formula

1 km/h = 0.621372 mph

Kilometers per Hour to Miles per Hour Conversion Table

Kilometers per Hour (km/h)Miles per Hour (mph)
1 km/h0.621372 mph
5 km/h3.10686 mph
10 km/h6.21372 mph
25 km/h15.5343 mph
50 km/h31.0686 mph
100 km/h62.1372 mph
250 km/h155.343 mph

How to Convert Kilometers per Hour to Miles per Hour

Converting between kilometers per hour and miles per hour is straightforward. Simply multiply your kilometers per hour value by the conversion factor.

Our converter above does this calculation instantly as you type. The result is displayed with full precision, and you can copy it to your clipboard with one click.

All conversions happen locally in your browser - your data is never sent to any server. This means instant results and complete privacy.

Frequently Asked Questions

To convert kilometers per hour to miles per hour, multiply the kilometers per hour value by 0.621372. For example, 1 km/h = 0.621372 mph.

There are 0.621372 miles per hour in one kilometers per hour.

To convert miles per hour to kilometers per hour, multiply the miles per hour value by 1.60934. For example, 1 mph = 1.60934 km/h.

The formula is: mph = km/h × 0.621372