MPH to KM/H Converter

Miles per hour one way, kilometres per hour the other — edit either box.

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Type in either box — the other updates at once. 1 mile = 1.60934 kilometres.

Results update instantly as you type.

Conversion
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Miles per hour
0 mph
Kilometres per hour
0 km/h
Metres per second
0 m/s

How to Use This MPH to KM/H Converter

  1. 1.Type a speed in either box. Miles per hour on the left, kilometres per hour on the right.
  2. 2.Read the other box. It converts at once — no button to press.
  3. 3.Check metres per second too. Shown below for physics and running splits.
  4. 4.Remember the factor. Multiply mph by 1.60934 for km/h, or divide km/h by 1.60934 for mph.
  5. 5.Use it on the road. Rental cars abroad, speed limits and cycling computers all switch units this way.

FAQ

How many km/h is 60 mph?

60 mph equals 96.56 km/h, because 60 × 1.60934 = 96.5604, which rounds to 96.56 km/h.

How do I convert km/h back to mph?

Divide by 1.60934. For example, 100 km/h ÷ 1.60934 = 62.14 mph.

What is a quick mental estimate for mph to km/h?

Multiply by 1.6 for a close estimate: 60 mph × 1.6 = 96 km/h, just under the exact 96.56 km/h. For road use, always trust the exact figure.

Is this mph to km/h converter free?

Yes — 100% free, no sign-up, no limits. Everything runs in your browser; none of your numbers are uploaded or saved.

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