kmh to mph converter

1 kilometers per hour equals 0.62137119 miles per hour. Conversions use mph = km/h × 0.621371

km/h → 0.62137119 mph

mph = km/h × 0.621371

Converter

Worked examples

1 km/h = 0.62137119 mph
2 km/h = 1.242742 mph
5 km/h = 3.106856 mph
10 km/h = 6.213712 mph
100 km/h = 62.137119 mph

kilometers per hour to miles per hour conversion table

km/h	mph	Arithmetic
50 km/h	31.06856 mph	× 0.621371
60 km/h	37.282272 mph	× 0.621371
70 km/h	43.495983 mph	× 0.621371
80 km/h	49.709695 mph	× 0.621371
90 km/h	55.923407 mph	× 0.621371
100 km/h	62.137119 mph	× 0.621371
110 km/h	68.350831 mph	× 0.621371
120 km/h	74.564543 mph	× 0.621371
130 km/h	80.778255 mph	× 0.621371
1 km/h	0.62137119 mph	× 0.621371
2 km/h	1.242742 mph	× 0.621371
3 km/h	1.864114 mph	× 0.621371
4 km/h	2.485485 mph	× 0.621371
5 km/h	3.106856 mph	× 0.621371
6 km/h	3.728227 mph	× 0.621371
8 km/h	4.97097 mph	× 0.621371
10 km/h	6.213712 mph	× 0.621371
12 km/h	7.456454 mph	× 0.621371
15 km/h	9.320568 mph	× 0.621371
20 km/h	12.427424 mph	× 0.621371
25 km/h	15.53428 mph	× 0.621371
30 km/h	18.641136 mph	× 0.621371
40 km/h	24.854848 mph	× 0.621371

How to convert km/h to mph

Take your value in kilometers per hour.
Multiply by 0.621371
That is your answer in miles per hour — no rounding needed until you choose a display precision.

Related conversions

mph to km/h km/h to m/s km/h to kn km/h to ft/s mph to m/s mph to kn mph to ft/s m/s to mph kn to mph all speed units

Questions

How many miles per hour in 1 kilometers per hour?

Exactly 0.62137119 mph. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert km/h to mph?

Multiply the kilometers per hour figure by 0.621371 — or use the converter above, which updates as you type.

Is km/h to mph the same as mph to km/h?

No — they are inverses. One km/h is 0.62137119 mph, while one mph is 1.609344 km/h.

What is 50 km/h in mph?

50 km/h = 31.06856 mph (see the value page for the full arithmetic).