mph to km/h
1 mph = 1.609344 km/h. Type a figure below, or scan the table for the usual values.
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Common pairs in speed & pace.
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32 categories, 300 units. Bare words follow UK usage: pint, gallon, mpg and ton are imperial; US versions are named.
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mph to km/h quick table
| Mile per hour (mph) | Kilometre per hour (km/h) |
|---|---|
| 10 mph | 16.09344 km/h |
| 20 mph | 32.18688 km/h |
| 30 mph | 48.28032 km/h |
| 40 mph | 64.37376 km/h |
| 50 mph | 80.4672 km/h |
| 60 mph | 96.56064 km/h |
| 70 mph | 112.65408 km/h |
| 80 mph | 128.74752 km/h |
| 90 mph | 144.84096 km/h |
| 100 mph | 160.9344 km/h |
| 110 mph | 177.02784 km/h |
| 120 mph | 193.12128 km/h |
| 130 mph | 209.21472 km/h |
| 150 mph | 241.4016 km/h |
How to convert mph to km/h
Multiply the mile per hour figure by 1.609344 to get kilometre per hour. Going the other way, divide by 1.609344, which is the same as multiplying by 0.62137119.
km/h = mph × 1.609344
Example: 80 mph is 128.74752 km/h.
Questions
How many kilometre per hour in a mile per hour?
1 mph is 1.609344 km/h. Multiply the mile per hour figure by 1.609344 to get kilometre per hour. Going the other way, divide by 1.609344, which is the same as multiplying by 0.62137119.
What is 80 mph in km/h?
80 mph is 128.74752 km/h. Type any other figure into the converter above to see it instantly, and the full list under it shows the same amount in every unit of the speed & pace category.
Is mph to km/h a simple multiplication?
Yes. Multiply by 1.609344. The factor comes from the units' legal definitions, so the result is exact to the precision shown.
Conversion guides
Formula, quick table and worked examples for the common ones.