How to Convert km/h to mph
To convert km/h to mph, multiply the value in km/h by 0.6213717. One km/h equals 0.6213717 mph, and one mph equals 1.609343 km/h.
Speed units measure how fast something moves. They are used in driving, aviation, sailing, sports and science. Need a different unit? Open the Speed Converter to convert between all 12 Speed units.
km/h to mph Formula
km/h = mph × 1.609343
Example: 10 km/h = 6.21372 mph.
km/h ↔ mph Conversion Tables
| km/h | mph |
|---|---|
| 1 | 0.621372 |
| 2 | 1.24274 |
| 3 | 1.86412 |
| 5 | 3.10686 |
| 10 | 6.21372 |
| 20 | 12.4274 |
| 50 | 31.0686 |
| 100 | 62.1372 |
| 500 | 310.686 |
| 1,000 | 621.372 |
| mph | km/h |
|---|---|
| 1 | 1.60934 |
| 2 | 3.21869 |
| 3 | 4.82803 |
| 5 | 8.04671 |
| 10 | 16.0934 |
| 20 | 32.1869 |
| 50 | 80.4671 |
| 100 | 160.934 |
| 500 | 804.671 |
| 1,000 | 1,609.34 |
About Speed Units
Speed units measure how fast something moves. They are used in driving, aviation, sailing, sports and science. This converter supports 12 units: m/s, km/h, mph, ft/s, ft/min, yard/s, in/s, knot, mach (at sea level), speed of light (c), speed of sound, cm/s.
Other popular Speed conversions: Convert Knots to Mach.
Frequently Asked Questions
How many mph are in one km/h?
One km/h equals 0.6213717 mph.
How do I convert km/h to mph?
To convert km/h to mph, multiply the value in km/h by 0.6213717. For example, 10 km/h = 6.21372 mph.
How do I convert mph to km/h?
To convert mph to km/h, multiply the value in mph by 1.609343. For example, 10 mph = 16.0934 km/h.
Which Speed units can I convert on ToolShed?
The Speed Converter supports 12 units, including m/s, km/h, mph, ft/s, ft/min, yard/s, in/s, knot, and 4 more. Use the From and To menus in the converter above to pick any pair.