Kilometers per hour to miles per hour (km/h to mph)
Multiply km/h by 0.621 - or knock off just under 40 percent. A 130 km/h European motorway limit is 80.8 mph, and 100 km/h is 62.1 mph. Formula 1 cars topping 300 km/h are doing better than 186 mph.
km/h to mph conversion table
| Kilometers per hour (km/h) | Miles per hour (mph) |
|---|---|
| 30 | 18.6 |
| 50 | 31.1 |
| 60 | 37.3 |
| 80 | 49.7 |
| 100 | 62.1 |
| 110 | 68.4 |
| 120 | 74.6 |
| 130 | 80.8 |
| 200 | 124.3 |
| 300 | 186.4 |
How to convert kilometers per hour to miles per hour
The formula is mph = km/h x 0.621371. Type any value into the converter above for
an exact result, or use the table for the most common conversions. For other units, the
full speed converter handles every combination, and
the unit converter covers length, weight, temperature,
speed, area, volume and data in one place.
Frequently asked questions
How many miles per hour are in 1 kilometer per hour?
1 km/h = 0.621371 mph. The formula is mph = km/h x 0.621371; the converter applies it to whatever you type and rounds only for display.
What is 110 km/h in mph?
110 km/h = 68.4 mph, using mph = km/h x 0.621371.
How do I convert miles per hour back to kilometers per hour?
Use km/h = mph x 1.60934. For example, 55 mph = 88.5 km/h. The mph to km/h converter does this for you.