km/h to mph

Common values

From (km/h)To (mph)
00.00
0.20.12
0.40.25
0.60.37
0.80.50
10.62
1.20.75
1.40.87
1.60.99
1.81.12
21.24

One km/h equals 0.62137 mph. Divide your km/h by 1.609 to get mph.

Formula: mph = km/h ÷ 1.60934

  • 50 km/h = 31.1 mph
  • 100 km/h = 62.1 mph
  • 130 km/h = 80.8 mph (EU motorway limit)
  • 120 km/h = 74.6 mph

UK drivers returning from Europe, watching continental motorsport, or reading international news bulletins need km/h-to-mph conversion. Weather forecasts for wind speed may use km/h in international contexts.

UK vehicles sold for domestic use show mph prominently on speedometers, with km/h in smaller digits. Channel Tunnel speed limit in the tunnel is 140 km/h (87 mph) for Eurostar trains. Formula 1 top speed at Monza: ~372 km/h = 231 mph.

Frequently asked questions

What is 100 km/h in mph?
100 km/h = 62.1 mph.
What is 80 km/h in mph?
80 km/h = 49.7 mph.
What is 200 km/h in mph?
200 km/h = 124.3 mph.

Related converters: Unit converter