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Kilometers per Hour to Miles per Hour converter

Convert km/h to mph instantly. Type any value and get the result in miles per hour. 1 km/h = 0.621372 mph.

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Speed›km/h → mph
From
To
result below ↓
1 km/h=
0.621372mph
formula1 km/h = 0.621372 mph

Common kilometers per hour → miles per hour

=0.621372 mph
=1.24274 mph
=3.10686 mph
=6.21372 mph
=12.4274 mph
=31.0686 mph
=62.1372 mph
=310.686 mph
=621.372 mph

Need a different value? .

Convert the other way
Miles per Hour to Kilometers per Hour

How to convert kilometers per hour to miles per hour

To convert kilometers per hour to miles per hour, multiply the value by 0.621372.

Formula
mph = km/h × 0.621372

For example:

  • →5 km/h = 3.10686 mph
  • →100 km/h = 62.1372 mph

Quick reference

  • ▸1 km/h = 0.621372 mph
  • ▸1 mph = 1.60934 km/h

When you need to convert km/h to mph

  • ·Driving — speed limits abroad use different units.
  • ·Running and cycling — comparing GPS-tracked paces.
  • ·Aviation and sailing — knots vs km/h vs mph.
  • ·Sports — converting record times to speed.
  • ·Physics — exam and homework problems.

Frequently asked

How many miles per hour are in 1 kilometers per hour?
One kilometers per hour equals 0.621372 miles per hour.
How do I convert km/h to mph in my head?
Multiply the value in kilometers per hour by 0.621372 to get miles per hour.
What is the formula for kilometers per hour to miles per hour?
mph = km/h × 0.621372.
What is the reverse — how many kilometers per hour in 1 miles per hour?
One miles per hour equals 1.60934 kilometers per hour.

Related conversions

Miles per Hour to Kilometers per Hour
1 mph = 1.60934 km/h
Kilometers per Hour to Meters per Second
1 km/h = 0.277778 m/s
Kilometers per Hour to Knots
1 km/h = 0.539958 kn
Kilometers per Hour to Feet per Second
1 km/h = 0.911345 ft/s
Meters per Second to Miles per Hour
1 m/s = 2.23694 mph
Knots to Miles per Hour
1 kn = 1.15078 mph
Feet per Second to Miles per Hour
1 ft/s = 0.681818 mph
Miles per Hour to Meters per Second
1 mph = 0.44704 m/s
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