Kilometers per Hour to Miles per Hour Converter
Convert kilometers per hour to miles per hour instantly. Type a value, change either unit, or press swap to go the other way. 1 kilometer per hour = 0.62137119 miles per hour.
1 kilometer per hour = 0.62137119 miles per hour
How to convert kilometers per hour to miles per hour
miles per hour = kilometers per hour × 0.6213711922
To convert kilometers per hour to miles per hour, multiply the value by 0.6213711922. To go back from miles per hour to kilometers per hour, divide by the same number (or multiply by 1.609344).
Worked examples
- 30 km/h: 30 × 0.6213711922 = 18.641136 mph
- 50 km/h: 50 × 0.6213711922 = 31.06856 mph
- 80 km/h: 80 × 0.6213711922 = 49.709695 mph
Multiply by 0.6. A quick reference: 50 km/h is about 31 mph, 100 km/h about 62 mph and 130 km/h about 81 mph.
Kilometers per Hour to Miles per Hour conversion table
Kilometers per Hour to Miles per Hour
| km/h | mph |
|---|---|
| 5 | 3.106856 |
| 10 | 6.2137119 |
| 30 | 18.641136 |
| 50 | 31.06856 |
| 80 | 49.709695 |
| 100 | 62.137119 |
| 110 | 68.350831 |
| 120 | 74.564543 |
| 130 | 80.778255 |
| 200 | 124.27424 |
Miles per Hour to Kilometers per Hour
| mph | km/h |
|---|---|
| 5 | 8.04672 |
| 10 | 16.09344 |
| 30 | 48.28032 |
| 50 | 80.4672 |
| 80 | 128.74752 |
| 100 | 160.9344 |
| 110 | 177.02784 |
| 120 | 193.12128 |
| 130 | 209.21472 |
| 200 | 321.8688 |
Speed equivalents
See how one kilometer per hour and one mile per hour compare with every other speed unit on the site.
1 kilometer per hour equals
| Unit | Value |
|---|---|
| meters per second (m/s) | 0.2777778 |
| miles per hour (mph) | 0.6213712 |
| feet per second (ft/s) | 0.9113444 |
| knots (kn) | 0.5399568 |
1 mile per hour equals
| Unit | Value |
|---|---|
| meters per second (m/s) | 0.44704 |
| kilometers per hour (km/h) | 1.609344 |
| feet per second (ft/s) | 1.466667 |
| knots (kn) | 0.8689762 |
When you need to convert kilometers per hour to miles per hour
Speed limits and car speedometers in most countries are in kilometers per hour, while American and British road signs use miles per hour. The conversion helps when you drive a rental car abroad, import a vehicle or read a car review.
About the units
Kilometer per hour (km/h)
Kilometers per hour is the road speed unit used in most countries. 100 km/h is about 62 mph.
Mile per hour (mph)
Miles per hour is exactly 0.44704 meters per second. It is used for road speeds in the US and UK.
Frequently asked questions
How do I convert kilometers per hour to miles per hour?
Multiply the number of kilometers per hour by 0.6213711922. For example, 10 kilometers per hour × 0.6213711922 = 6.213711922 miles per hour.
How many miles per hour are in one kilometer per hour?
There are 0.6213711922 miles per hour in one kilometer per hour.
How many kilometers per hour are in one mile per hour?
There are 1.609344 kilometers per hour in one mile per hour.
What is 100 km/h and 130 km/h in mph?
100 km/h is 62.14 mph and 130 km/h is 80.78 mph. A 120 km/h limit equals about 74.6 mph.
Can I convert other speed units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any speed unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.