OneEquals

Km/h to mph Converter (Kilometers per Hour to Miles per Hour)

1 kilometer per hour = 0.6213711922 miles per hour. To convert km/h to mph, multiply by 0.6213711922, or divide by 1.609344.

⇄

100 km/h = 62.137 mph

1 km/h
0.6214 mph
1 mph
1.6093 km/h
10 km/h
6.2137 mph
100 km/h
62.1371 mph

How to convert km/h to mph

1 kilometer per hour equals 0.6213711922 miles per hour, so the conversion is a single multiplication.

mph = km/h × 0.6213711922

Example: 150 km/h × 0.6213711922 = 93.206 mph.

About the kilometer per hour and the mile per hour

Kilometer per Hour (km/h)

Kilometers per hour is the road speed unit in most countries. Divide by 3.6 to get meters per second.

Mile per Hour (mph)

Miles per hour is the speed unit on US and UK road signs and speedometers.

1 kilometer per hour in every speed unit

Miles per Hour0.6214 mphMeters per Second0.2778 m/sKnots0.54 kn
Feet per Second0.9113 ft/s
Mach (sea Level)0.0008163 Mach
mph to km/hReverse conversionKnots to mph1 kn = 1.1508 mphmph to Knots1 mph = 0.869 knm/s to km/h1 m/s = 3.6 km/hkm/h to m/s1 km/h = 0.2778 m/sKnots to km/h1 kn = 1.852 km/hkm/h to Knots1 km/h = 0.54 kn

km/h to mph FAQ

How many miles per hour are in a kilometer per hour?

1 kilometer per hour = 0.6213711922 miles per hour.

How many kilometers per hour are in a mile per hour?

1 mile per hour = 1.609344 kilometers per hour.

How do I convert km/h to mph?

Use mph = km/h × 0.6213711922. For example, 10 km/h = 6.214 mph.

Can I print this km/h to mph chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.