km/h to mph
Convert km/h, mph, m/s, knots and Mach, the everyday and technical measures of how fast something moves.
Converter
Kilometer per hour to Mile per hour at a glance
21 rows| Kilometer per hour | Mile per hour |
|---|---|
| 1 km/h | 0.6213711922 mph |
| 2 km/h | 1.242742384 mph |
| 3 km/h | 1.864113577 mph |
| 4 km/h | 2.485484769 mph |
| 5 km/h | 3.106855961 mph |
| 6 km/h | 3.728227153 mph |
| 7 km/h | 4.349598346 mph |
| 8 km/h | 4.970969538 mph |
| 9 km/h | 5.59234073 mph |
| 10 km/h | 6.213711922 mph |
| 15 km/h | 9.320567884 mph |
| 20 km/h | 12.42742384 mph |
| 25 km/h | 15.53427981 mph |
| 30 km/h | 18.64113577 mph |
| 40 km/h | 24.85484769 mph |
| 50 km/h | 31.06855961 mph |
| 75 km/h | 46.60283942 mph |
| 100 km/h | 62.13711922 mph |
| 250 km/h | 155.3427981 mph |
| 500 km/h | 310.6855961 mph |
| 1,000 km/h | 621.3711922 mph |
Quick pairs
tap to loadHow the kilometer per hour to mile per hour conversion works
Multiply by 0.6213711922 to go from kilometer per hour to mile per hour:
mph = km/h × 0.6213711922
Going the other way, multiply by 1.609344, which is the same as dividing by 0.6213711922.
Questions
How many mile per hour are in one kilometer per hour?
One kilometer per hour equals 0.6213711922 mile per hour.
Which units does this speed converter cover?
17 units in total, all referenced to the meter per second. They include meter per second, kilometer per hour, mile per hour, foot per second, knot, centimeter per second and more. Pick any pair from the two dropdown lists.
How precise are the results?
Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.
Does anything I type leave my device?
No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.