Convert kilometres per hour to miles per hour
1 km/h = 0.6 mph. Type any value below for an instant conversion.
10 km/h = 6.2 mph
Formula
mph = km/h × 0.6213711922Worked example: 100 km/h × 0.6213711922 = 62.1 mph
Common European limits convert neatly: 50 km/h urban is 31 mph, 100 km/h is 62 mph, and the 130 km/h French motorway limit is 81 mph.
kilometres per hour to miles per hour conversion table
| kilometres per hour (km/h) | miles per hour (mph) |
|---|---|
| 10 km/h | 6.2 mph |
| 30 km/h | 18.6 mph |
| 50 km/h | 31.1 mph |
| 60 km/h | 37.3 mph |
| 80 km/h | 49.7 mph |
| 90 km/h | 55.9 mph |
| 100 km/h | 62.1 mph |
| 110 km/h | 68.4 mph |
| 120 km/h | 74.6 mph |
| 130 km/h | 80.8 mph |
| 150 km/h | 93.2 mph |
| 200 km/h | 124.3 mph |
Frequently asked questions
How many miles per hour are in one kilometres per hour?
One kilometres per hour equals 0.6 miles per hour.
How do I convert kilometres per hour to miles per hour?
Multiply the number of kilometres per hour by 0.6213711922. For example, 100 km/h × 0.6213711922 = 62.1 mph.
Is this km/h to mph conversion exact?
The conversion factor of 0.6213711922 is used at full floating-point precision and rounded only for display, so the result is accurate for scientific, engineering and everyday use.
What is the reverse conversion?
To go the other way, use the mph to km/h converter. The reverse factor is 1.609344.
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