mphBelgium
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129. mph
mph means miles per hour and is a unit used to measure speed. It expresses how many miles a vehicle or other moving object would travel in one hour if it maintained the same speed.
For example, a speed of 50 mph means travelling at a rate of 50 miles per hour. One mile per hour is approximately 1.61 km/h, so speeds expressed in mph and km/h have different numerical values.
Wikimedia.org • Greg Gjerdingen • CC BY
Does Belgium use mph for road speeds?
No. Belgian road speeds and speed limits are expressed in kilometres per hour (km/h), not miles per hour.
Do Belgian speed-limit signs show mph?
No. The number displayed on a Belgian C43 speed-limit sign represents the maximum permitted speed in kilometres per hour.
What should you do if your vehicle's speedometer also shows mph in Belgium?
When driving in Belgium, you must compare your speed with the applicable limit in km/h. If your speedometer displays both units, use the km/h scale when interpreting Belgian speed limits.

Traffic rules
Belgium