Convert km/h to mph
Enter a speed in kilometres per hour and get miles per hour straight away. The formula and a full reference table are below.
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Formula: mph = km/h × 0.621371
km/h to mph table
Also written kph to mph, kmh to mph, or km to mph — they all mean the same conversion.
| km/h | mph |
|---|---|
| 10 km/h | 6.21 mph |
| 20 km/h | 12.43 mph |
| 30 km/h | 18.64 mph |
| 40 km/h | 24.85 mph |
| 50 km/h | 31.07 mph |
| 60 km/h | 37.28 mph |
| 70 km/h | 43.5 mph |
| 80 km/h | 49.71 mph |
| 90 km/h | 55.92 mph |
| 100 km/h | 62.14 mph |
| 110 km/h | 68.35 mph |
| 120 km/h | 74.56 mph |
| 130 km/h | 80.78 mph |
| 140 km/h | 86.99 mph |
| 150 km/h | 93.21 mph |
| 160 km/h | 99.42 mph |
| 180 km/h | 111.85 mph |
| 200 km/h | 124.27 mph |
| 250 km/h | 155.34 mph |
| 300 km/h | 186.41 mph |
| 320 km/h | 198.84 mph |
| 354 km/h | 219.97 mph |
See your real speed, in either unit
Apex turns your iPhone into a GPS speedometer — switch between km/h, mph and knots with a tap, and record the whole trip.
Common questions
How do you convert km/h to mph?
Multiply the speed in kilometres per hour by 0.621371. For example, 100 km/h × 0.621371 = 62.1 mph.
How fast is 100 km/h in mph?
100 km/h is 62.1 mph.
How fast is 120 km/h in mph?
120 km/h is 74.6 mph.
Is 100 km/h the same as 60 mph?
Almost. 100 km/h is 62.1 mph, so it is a little faster than 60 mph. Going the other way, 60 mph is 96.6 km/h.