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Formula
To convert miles per hour to kilometers per hour, multiply the number by 1.609344.
To go the other way, multiply kilometers per hour by 0.6213711922.
Example
Example: convert 65 mph to km/h.
65 × 1.609344 = 104.607. So 65 mph is 104.607 km/h.
Common values
miles per hour to kilometers per hour| mph | km/h |
|---|
| 5 mph | 8.04672 km/h |
|---|
| 10 mph | 16.0934 km/h |
|---|
| 15 mph | 24.1402 km/h |
|---|
| 20 mph | 32.1869 km/h |
|---|
| 25 mph | 40.2336 km/h |
|---|
| 30 mph | 48.2803 km/h |
|---|
| 35 mph | 56.327 km/h |
|---|
| 40 mph | 64.3738 km/h |
|---|
| 45 mph | 72.4205 km/h |
|---|
| 50 mph | 80.4672 km/h |
|---|
| 55 mph | 88.5139 km/h |
|---|
| 60 mph | 96.5606 km/h |
|---|
| 65 mph | 104.607 km/h |
|---|
| 70 mph | 112.654 km/h |
|---|
| 75 mph | 120.701 km/h |
|---|
| 80 mph | 128.748 km/h |
|---|
| 100 mph | 160.934 km/h |
|---|
About mph and km/h
One mile per hour is exactly 1.609344 kilometers per hour.
Use this page to read a road sign in the US or the UK in kilometers per hour.
How to use it
- Type your number in the box.
- Check that From is miles per hour and To is kilometers per hour.
- Read the result. It changes as you type.
- Press Swap to convert the other way.
Questions
How many kilometers per hour are in 1 mile per hour?
1 mile per hour is 1.609344 kilometers per hour.
How do I convert miles per hour to kilometers per hour?
To convert miles per hour to kilometers per hour, multiply the number by 1.609344. To go the other way, multiply kilometers per hour by 0.6213711922.
How many km/h is 60 mph?
60 mph is 96.5606 km/h.