mph to km/h Converter
Convert mph to km/h instantly — 1 mph = 1.609344 km/h, with every other speed unit, a conversion chart, and a list mode for many values.
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Formula: km/h = mph × 1.60934
| mph | km/h |
|---|---|
| 1 mph | 1.60934 km/h |
| 2 mph | 3.21868 km/h |
| 5 mph | 8.0467 km/h |
| 10 mph | 16.0934 km/h |
| 20 mph | 32.1868 km/h |
| 50 mph | 80.467 km/h |
| 100 mph | 160.934 km/h |
How to convert mph to km/h
- Type the number of mph.
- Read the result in km/h — and in every other unit below it.
- Swap, change the precision, convert a whole list or copy and share the result.
About mph to km/h Converter
Convert mph to km/h as you type. The result appears instantly with the exact formula, and the same value is shown in every other unit of the category at once — so one page answers all related questions.
A conversion chart lists common values, “Convert a list” handles a whole column of numbers, and you can choose the number of decimals or scientific notation. Swap the units with one click, share a link to your conversion, or print it.
Good for
- Everyday conversions for travel, shopping and recipes
- School and science homework
- Work with specifications and measurements
Tip: Type an expression like a whole column of values in “Convert a list” to convert them all at once.
Frequently asked questions
How do I convert mph to km/h?
Use km/h = mph × 1.609344. For example, 10 mph = 16.09344 km/h.
Can I convert many values at once?
Yes — choose “Convert a list”, paste one value per line (a spreadsheet column works) and copy all the results.
Can I convert to other units too?
Yes. Pick any units in the From and To lists, or switch the category — length, weight, temperature, volume, area, speed, data and more.
What are some common mph to km/h values?
Rounded to 3 decimal places: 30 mph = 48.28 km/h, 60 mph = 96.561 km/h, 70 mph = 112.654 km/h and 100 mph = 160.934 km/h.
Which countries use mph?
The UK and the US post speed limits in miles per hour; most other countries use km/h. A 60 mph limit is about 97 km/h.