Table Of Contents
Kilometers per hour to miles per hour Conversion
1 kilometers per hour (km/hr) is equal to 0.6213711922 miles per hour (mi/hr).
1 km/hr = 0.6213711922 mi/hr
or
1 mi/hr = 1.609344 km/hr
Formula
To convert a speed from kilometers per hour (km/hr) to miles per hour (mi/hr), divide the speed in kilometers per hour by 1.609344
s(mi/hr) = s(km/hr) / 1.609344
Examples:
Convert 80 kilometers per hour to miles per hour:
s(mi/hr) = 80km/hr / 1.609344 = 49.70969538 mi/hr
Conversion table
| Kilometers per hour (km/hr) | Miles per hour (mi/hr) |
|---|---|
| 1 km/hr | 0.621371192 mi/hr |
| 2 km/hr | 1.242742384 mi/hr |
| 3 km/hr | 1.864113577 mi/hr |
| 5 km/hr | 3.106855961 mi/hr |
| 10 km/hr | 6.213711922 mi/hr |
| 20 km/hr | 12.427423845 mi/hr |
| 25 km/hr | 15.534279806 mi/hr |
| 30 km/hr | 18.641135767 mi/hr |
| 50 km/hr | 31.068559612 mi/hr |
| 60 km/hr | 37.282271534 mi/hr |
| 80 km/hr | 49.709695379 mi/hr |
| 100 km/hr | 62.137119224 mi/hr |
| 120 km/hr | 74.564543068 mi/hr |
| 250 km/hr | 155.342798059 mi/hr |
| 500 km/hr | 310.685596119 mi/hr |
| Miles per hour (mi/hr) | Kilometers per hour (km/hr) |
|---|---|
| 1 mi/hr | 1.609344 km/hr |
| 2 mi/hr | 3.218688 km/hr |
| 3 mi/hr | 4.828032 km/hr |
| 5 mi/hr | 8.04672 km/hr |
| 10 mi/hr | 16.09344 km/hr |
| 20 mi/hr | 32.18688 km/hr |
| 25 mi/hr | 40.2336 km/hr |
| 30 mi/hr | 48.28032 km/hr |
| 50 mi/hr | 80.4672 km/hr |
| 60 mi/hr | 96.56064 km/hr |
| 80 mi/hr | 128.74752 km/hr |
| 100 mi/hr | 160.9344 km/hr |
| 120 mi/hr | 193.12128 km/hr |
| 250 mi/hr | 402.336 km/hr |
| 500 mi/hr | 804.672 km/hr |
Frequently asked questions
How do I convert kilometers per hour to miles per hour?
Divide the value in kilometers per hour by 1.609344 to get the result in miles per hour. For example, 5 km/hr ÷ 1.609344 = 3.106855961 mi/hr.
How many miles per hour are in 1 kilometers per hour?
1 kilometers per hour (km/hr) is equal to 0.621371192 miles per hour (mi/hr).
How do I convert miles per hour back to kilometers per hour?
Use the inverse operation: multiply the value in miles per hour by 1.609344 to get the result in kilometers per hour.
How accurate is the kilometers per hour to miles per hour conversion?
The converter multiplies by the conversion factor 1.609344 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
