Miles per hour to Kilometers per hour Converter

Convert miles per hour to kilometers per hour instantly, with the formula and a mph to km/h conversion table. 🔒 Runs in your browser

Convert to all units

Mile per hour to kilometer per hour formula

km/h = mph × 1.609344 · 1 mile per hour = 1.609344 kilometers per hour

mph to km/h conversion table

miles per hour (mph)kilometers per hour (km/h)
10 mph16.09344 km/h
20 mph32.18688 km/h
30 mph48.28032 km/h
40 mph64.37376 km/h
55 mph88.51392 km/h
60 mph96.56064 km/h
65 mph104.60736 km/h
70 mph112.65408 km/h
80 mph128.74752 km/h
100 mph160.9344 km/h

Need the opposite? Use the kilometers per hour to miles per hour converter.

How to use the Miles Per Hour to Kilometers Per Hour converter

  1. Enter the value you want to convert.
  2. Pick the units to convert from and to (or click ⇄ to swap).
  3. Read the result instantly, with the formula and a full table below.

About this tool

Convert miles per hour to kilometers per hour instantly, with the formula and a mph to km/h conversion table. It is part of the free Converters collection on Online Tools Harbor. Everything happens locally in your browser, so it is fast and private.

Frequently asked questions

How do I convert miles per hour to kilometers per hour?

Use the formula km/h = mph × 1.609344. For example, 30 mph = 48.28032 km/h.

How many kilometers per hour are in 1 mile per hour?

1 mile per hour = 1.609344 kilometers per hour. To convert, multiply the value in miles per hour by 1.609344.

Is the Miles Per Hour to Kilometers Per Hour free?

Yes. The Miles Per Hour to Kilometers Per Hour is completely free to use, with no sign-up and no limits on normal use.

Is my data safe?

Yes. This tool runs entirely in your web browser using JavaScript. Your text is never uploaded to our servers.

Does it work on mobile?

Yes, it works in any modern browser on phones, tablets and computers. No app to install.

More speed conversions

Kilometers Per Hour to Miles Per Hour · Knots to Kilometers Per Hour · Meters Per Second to Kilometers Per Hour · Kilometers Per Hour to Meters Per Second · Miles Per Hour to Meters Per Second · Kilometers Per Hour to Knots

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