Kilometers per hour to miles per hour
miles per hour = kilometers per hour × 0.62137119
How to convert kilometers per hour to miles per hour
One kilometer per hour is 0.62137119 miles per hour, so multiply the number of kilometers per hour by 0.62137119. For example, 20 kilometers per hour is 20 × 0.62137119 = 12.427424 miles per hour. To go back, divide by the same number, or multiply by 1.609344.
Quick estimate
Multiplying by about 0.6 gets within 3.4% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
Speed conversions come up when driving abroad, in running and cycling paces, weather and wind reports, and sailing and flying.
| kilometers per hour | miles per hour |
|---|---|
| 1 kph | 0.62137119 mph |
| 2 kph | 1.242742 mph |
| 3 kph | 1.864114 mph |
| 4 kph | 2.485485 mph |
| 5 kph | 3.106856 mph |
| 6 kph | 3.728227 mph |
| 7 kph | 4.349598 mph |
| 8 kph | 4.97097 mph |
| 9 kph | 5.592341 mph |
| 10 kph | 6.213712 mph |
| 11 kph | 6.835083 mph |
| 12 kph | 7.456454 mph |
| 13 kph | 8.077825 mph |
| 14 kph | 8.699197 mph |
| 15 kph | 9.320568 mph |
| 16 kph | 9.941939 mph |
| 17 kph | 10.56331 mph |
| 18 kph | 11.184681 mph |
| 19 kph | 11.806053 mph |
| 20 kph | 12.427424 mph |
| 25 kph | 15.53428 mph |
| 30 kph | 18.641136 mph |
| 40 kph | 24.854848 mph |
| 50 kph | 31.06856 mph |
| 60 kph | 37.282272 mph |
| 70 kph | 43.495983 mph |
| 75 kph | 46.602839 mph |
| 80 kph | 49.709695 mph |
| 90 kph | 55.923407 mph |
| 100 kph | 62.137119 mph |
| 120 kph | 74.564543 mph |
| 150 kph | 93.205679 mph |
| 200 kph | 124.274238 mph |
| 250 kph | 155.342798 mph |
| 300 kph | 186.411358 mph |
| 400 kph | 248.548477 mph |
| 500 kph | 310.685596 mph |
| 750 kph | 466.028394 mph |
| 1,000 kph | 621.371192 mph |
| 1,500 kph | 932.056788 mph |
| 2,000 kph | 1,242.74 mph |
| 5,000 kph | 3,106.86 mph |
| 10,000 kph | 6,213.71 mph |
Questions
How many miles per hour are in a kilometer per hour?
0.62137119 miles per hour.
How do I convert kilometers per hour to miles per hour in a spreadsheet?
Put the value in A1 and type =A1*0.62137119, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.