Speed conversion
Kilometre per hour to Mile per hour
One kilometre per hour is 0.62137 miles per hour. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.
Conversion rate
1 km/h = 0.62137 mph
mph = km/h × 0.62137
1 km/h = 0.62137 mph
Reference
Kilometre per hour to Mile per hour table
The values people look up most often, rounded for practical use.
| Kilometre per hour (km/h) | Mile per hour (mph) | Written out |
|---|---|---|
| 1 km/h | 0.62137 mph | 1 kilometres per hour = 0.62137 miles per hour |
| 2 km/h | 1.242742 mph | 2 kilometres per hour = 1.242742 miles per hour |
| 3 km/h | 1.864114 mph | 3 kilometres per hour = 1.864114 miles per hour |
| 5 km/h | 3.106856 mph | 5 kilometres per hour = 3.106856 miles per hour |
| 10 km/h | 6.213712 mph | 10 kilometres per hour = 6.213712 miles per hour |
| 15 km/h | 9.320568 mph | 15 kilometres per hour = 9.320568 miles per hour |
| 20 km/h | 12.42742 mph | 20 kilometres per hour = 12.42742 miles per hour |
| 25 km/h | 15.53428 mph | 25 kilometres per hour = 15.53428 miles per hour |
| 50 km/h | 31.06856 mph | 50 kilometres per hour = 31.06856 miles per hour |
| 100 km/h | 62.13712 mph | 100 kilometres per hour = 62.13712 miles per hour |
| 250 km/h | 155.343 mph | 250 kilometres per hour = 155.343 miles per hour |
| 500 km/h | 310.686 mph | 500 kilometres per hour = 310.686 miles per hour |
| 1,000 km/h | 621.371 mph | 1,000 kilometres per hour = 621.371 miles per hour |
How to convert kilometres per hour to miles per hour
Multiply the number of kilometres per hour by 0.62137. That is the whole calculation: mph = km/h × 0.62137. To go back the other way, divide instead, or multiply by 1.609344.
Worked example: 12 kilometres per hour × 0.62137 = 7.456454 miles per hour.
Where this conversion comes up
Speed conversion turns up when driving abroad, sailing or reading weather reports. A useful anchor: 100 km/h is about 62 mph, and a knot is one nautical mile per hour, which is slightly faster than a mile per hour.
Quick answers
- 1 kilometre per hour = 0.62137 miles per hour
- 2 kilometres per hour = 1.242742 miles per hour
- 5 kilometres per hour = 3.106856 miles per hour
- 10 kilometres per hour = 6.213712 miles per hour
- 100 kilometres per hour = 62.13712 miles per hour
More conversions
Other speed conversions
Answers
Frequently asked questions
mph = km/h × 0.62137. The converter above applies it for you, but the formula is useful in a spreadsheet — put your value in column A and the formula in column B.Related tools
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