Kilometers per Hour to Miles per Hour Converter

1 km/h = 0.621371192237 mph. Type any value below for the exact miles per hour figure.

km/h
0.621371192237mph

1 km/h = 0.621371192237 mph

Conversion summary

1 km/h = 0.621371192237 mph

Formula
Mile per Hour = Kilometer per Hour ÷ 1.609344
Category
Speed
Units
km/h → mph

1 km/h in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

How do you convert kilometers per hour to miles per hour?

To convert kilometers per hour to miles per hour, divide the number of kilometers per hour by 1.609344. 1 km/h = 0.621371 mph.

Conversion formula

Mile per Hour = Kilometer per Hour ÷ 1.609344

Kilometers per Hour to miles per hour conversion table

Kilometers per Hour (km/h)Miles per Hour (mph)
10 km/h6.21371 mph
30 km/h18.6411 mph
50 km/h31.0686 mph
80 km/h49.7097 mph
100 km/h62.1371 mph
120 km/h74.5645 mph
130 km/h80.7783 mph

What is Kilometer per Hour?

Kilometer per hour is a practical speed unit widely used in road transport.

Short history of Kilometer per Hour

It became standard with the spread of road transport and metric traffic systems.

Open the Kilometer per Hour unit guide

What is Mile per Hour?

Miles per hour is a speed unit still common in the United States and other imperial-road contexts.

Short history of Mile per Hour

The unit developed from the established road use of miles and hours in Anglo-American transport practice.

Open the Mile per Hour unit guide

Frequently asked questions

What is 1 Kilometer per Hour in Mile per Hour?

1 km/h = 0.621371192237 mph.

How do you convert Kilometer per Hour to Mile per Hour?

To convert kilometers per hour to miles per hour, divide the number of kilometers per hour by 1.609344. 1 km/h = 0.621371 mph.

Frequently asked questions

How many miles per hour are in 1 kilometer per hour?

1 km/h = 0.621371 mph.

How do you convert kilometers per hour to miles per hour?

To convert kilometers per hour to miles per hour, divide the number of kilometers per hour by 1.609344. 1 km/h = 0.621371 mph.

How many kilometers per hour are in 1 mile per hour?

1 mph = 1.60934 km/h.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Guide for the Use of the International System of Units

Other languages

View the Turkish versionOpen the German version