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Speed Limits Worldwide: mph vs km/h by Country

5 min read

Driving abroad means understanding different speed limit systems. Only a handful of countries use miles per hour โ€” the rest of the world measures speed in kilometres per hour. Here is your guide to speed limits globally.

The Conversion

1 mph = 1.609 km/h | 1 km/h = 0.621 mph

Quick trick: mph ร— 1.6 = km/h (or km/h รท 1.6 = mph)

Countries That Use mph

Only these nations measure road speed in miles per hour:

  • โ–ถ United States
  • โ–ถ United Kingdom
  • โ–ถ Myanmar
  • โ–ถ Liberia
  • โ–ถ Some Caribbean islands (Bahamas, Cayman Islands)

Every other country uses km/h on road signs.

Highway Speed Limits Compared

Country / Road Limit Converted
Germany (Autobahn) No limit Advisory 130 km/h (81 mph)
Poland 140 km/h 87 mph
France 130 km/h 81 mph
Italy 130 km/h 81 mph
UK 70 mph 113 km/h
USA (Texas toll road) 85 mph 137 km/h
USA (most interstates) 65-75 mph 105-121 km/h
Australia (Northern Territory) 130 km/h 81 mph
UAE 140 km/h 87 mph
Japan 100-120 km/h 62-75 mph

Common Speed Limit Conversions

  • โ–ถ 30 mph = 48 km/h (residential streets)
  • โ–ถ 50 km/h = 31 mph (city speed in metric countries)
  • โ–ถ 60 mph = 97 km/h
  • โ–ถ 70 mph = 113 km/h
  • โ–ถ 100 km/h = 62 mph
  • โ–ถ 120 km/h = 75 mph
  • โ–ถ 130 km/h = 81 mph

Tips for Driving in a Different System

  • โ–ถ Most rental cars show both mph and km/h on the speedometer
  • โ–ถ GPS navigation can display speed in either unit โ€” switch to match local signs
  • โ–ถ Remember key anchors: 50 km/h in town, 100-130 km/h on highways
  • โ–ถ Speed cameras abroad have zero tolerance for "I didn't understand the sign" excuses

๐Ÿ”— Try our free speed converter

Open Converter โ†’