Miles per Hour to Kilometers per Hour
One mile per hour equals 1.609344 kilometers per hour.
Kilometers per Hour = miles per hour × 1.609344
By Piero Nanni · Last checked
Miles per Hour to Kilometers per Hour Calculator
How to Convert Miles per Hour to Kilometers per Hour
Formula:
Kilometers per Hour = miles per hour × 1.609344
Worked example:
55 miles per hour × 1.609344 = 88.5139 kilometers per hour
Miles per Hour to Kilometers per Hour Conversion Table
| mph | km/h |
|---|---|
| 10 | 16.0934 |
| 15 | 24.1402 |
| 20 | 32.1869 |
| 25 | 40.2336 |
| 30 | 48.2803 |
| 35 | 56.327 |
| 40 | 64.3738 |
| 50 | 80.4672 |
| 55 | 88.5139 |
| 60 | 96.5606 |
| 65 | 104.6074 |
| 70 | 112.6541 |
| 75 | 120.7008 |
| 80 | 128.7475 |
| 90 | 144.841 |
| 100 | 160.9344 |
| 150 | 241.4016 |
About This Conversion
Miles per hour to kilometers per hour is needed for US and UK speed limits, vehicle specifications and weather reports on wind speed. Multiply by 1.609344.
Vehicle performance figures are the place this conversion is most often quoted. The 0 to 60 mph benchmark used in the US and UK is 0 to 96.6 km/h, while the metric world quotes 0 to 100 km/h, a slightly harder target at 62.1 mph. Comparing the two figures directly makes a car look faster than it is.
Frequently Asked Questions
What is 60 mph in km/h?
60 mph is 96.56 km/h.
What is 70 mph in km/h?
70 mph is 112.65 km/h, the UK motorway limit.
Is 0 to 60 mph the same as 0 to 100 km/h?
No. 60 mph is 96.6 km/h, so the metric benchmark is a slightly longer acceleration run.
How do I estimate mph to km/h?
Add half the number, then a tenth. For 60: 60 + 30 + 6 = 96, against a true 96.6 km/h.
Sources
Worth Knowing
Related Conversions
Converting the other way? Kilometers per Hour to Miles per Hour
Need a different unit? Open the full speed converter