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Kilometers per hour to Miles per hour

Convert kilometers per hour to miles per hour instantly. 1 km/h = 0.621371 mph

49.71

80 km/h = 49.71 miles per hourFormula: km/h ÷ 1.60934

Quick answers

Kilometers per hour to Miles per hour conversion table

Kilometers per hour (km/h)Miles per hour (mph)
10 km/h6.2137 mph
20 km/h12.427 mph
30 km/h18.641 mph
40 km/h24.855 mph
50 km/h31.069 mph
60 km/h37.282 mph
70 km/h43.496 mph
80 km/h49.71 mph
Kilometers per hour (km/h)Miles per hour (mph)
90 km/h55.923 mph
100 km/h62.137 mph
110 km/h68.351 mph
120 km/h74.565 mph
130 km/h80.778 mph
140 km/h86.992 mph
150 km/h93.206 mph
200 km/h124.27 mph

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Conversion formula

miles per hour = kilometers per hour × 0.6213711922

Example: 80 km/h × 0.6213711922 = 49.71 mph

Kilometers per hour is the road-speed unit used in most of the world. Miles per hour is the road-speed unit in the US and UK; 1 mph is exactly 0.44704 m/s.

You may also see this conversion written as “kmh to mph”.

Questions

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

One kilometer per hour is 0.621371192 miles per hour.

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

Multiply by 0.6213711922. The factor comes from the exact definitions of both units, so the only rounding is in the display.

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