km/h to mph
Convert km/h to mph for road signs, GPS readouts and vehicle dashboards. The standard EU motorway limit of 130 km/h is 80.8 mph; a residential 50 km/h zone is 31 mph.
Last updated: May 2026
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When you need km/h to mph
Speed limits in the UK and USA are posted in miles per hour; most of the rest of the world uses km/h. Converting matters when driving abroad, reading international vehicle specs or checking GPS apps that switch units depending on region. The formula is: mph = km/h × 0.62137.
A useful anchor: 100 km/h = 62.1 mph. The standard EU motorway limit of 130 km/h is 80.8 mph, just under the UK national motorway limit of 70 mph (112.7 km/h).
Speed limit reference table
| km/h | mph | Typical context |
|---|---|---|
| 30 | 18.6 | Residential zone (EU) |
| 50 | 31.1 | Urban speed limit (EU) |
| 70 | 43.5 | Rural single carriageway (EU) |
| 90 | 55.9 | Regional road / dual carriageway (EU) |
| 100 | 62.1 | Motorway reference / US highway |
| 110 | 68.4 | Motorway limit (NL, ES) |
| 120 | 74.6 | Motorway limit (BE, PL, CZ) |
| 130 | 80.8 | Motorway limit (FR, IT, PT, EU standard) |
EV range planning and sport speeds
Electric vehicles sold in continental Europe display speed in km/h and estimated range in kilometers. Planning a trip into the UK means reading km/h from the car's display and matching it against mph speed signs. A car showing 120 km remaining range has about 74.6 miles left, which is the number you need when deciding whether to stop at a UK motorway charger before the range drops further.
Cycling and running pace is another area where the conversion comes up regularly. A training ride at 30 km/h is 18.6 mph. Road cycling on flat terrain averages 30-50 km/h (19-31 mph) depending on effort. A comfortable running pace of 10 km/h is 6.2 mph, roughly a 9.7-minute mile. Apps such as Strava default to different units depending on your account region, so comparing sessions from riders in different countries means knowing which side of 30 km/h or 20 mph you are on.
Frequently Asked Questions
What is 100 km/h in mph?
100 km/h = 62.14 mph. This is the most common reference point for international drivers. US Interstate highways typically post 65-75 mph (105-121 km/h), so 100 km/h sits just below most US highway limits but above typical EU urban limits.
What is 130 km/h in mph?
130 km/h = 80.78 mph. This is the standard motorway speed limit in France, Italy, Portugal and many other EU countries. Germany's recommended motorway speed (Richtgeschwindigkeit) is also 130 km/h, though many Autobahn sections are unrestricted.
Is 60 mph the same as 100 km/h?
No. 60 mph = 96.6 km/h. The nearest round-number pairings are 60 mph ≈ 97 km/h and 100 km/h ≈ 62 mph. Using them interchangeably introduces a 4% error, acceptable for rough estimates, not for speed limit compliance or vehicle specifications.
Why do GPS apps switch between km/h and mph?
GPS navigation apps detect your country from location data and apply the local speed convention. Crossing from France (km/h) into the UK (mph) shifts the display, but the speed being measured does not change, only the unit. If your app shows the wrong unit, check the regional settings rather than converting the displayed number.
How do I convert km/h to mph in my head?
Multiply by 0.6 for a quick estimate. So 120 km/h × 0.6 = 72 mph (true: 74.6 mph). The 0.6 rule understates by about 3.6%, which is close enough for orientation: 80 km/h ≈ 48 mph, 100 km/h ≈ 60 mph. Use the calculator for precision.
What is a typical cycling speed in km/h and mph?
A recreational cyclist averages 15-20 km/h (9-12 mph). A fit road cyclist cruises at 28-35 km/h (17-22 mph). Racing and sportive pace is typically 38-50 km/h (24-31 mph) on flat roads. Sprint peaks can exceed 60 km/h (37 mph). Most cycling apps default to km/h in metric countries; switching to mph or vice versa is a display setting, but it does not change the underlying GPS speed.