Approximately how many metres per second do you travel when driving at 90 km/h?

Common theory questions

90 km/h correspond to approximately 25 metres per second.

To respect and really understand the tremendous speeds at which you often travel when driving a car, it is good to know how many metres per second (m/s) different speeds correspond to.

10 km/h ≈ 3 m/s
20 km/h ≈ 6 m/s
30 km/h ≈ 8 m/s
40 km/h ≈ 11 m/s
50 km/h ≈ 14 m/s
60 km/h ≈ 17 m/s
70 km/h ≈ 19 m/s
80 km/h ≈ 22 m/s
90 km/h ≈ 25 m/s
100 km/h ≈ 28 m/s
110 km/h ≈ 31 m/s
120 km/h ≈ 33 m/s

Divide the speed by 3.6 to convert kilometres per hour to metres per second. But if you just remember that 10 km/h equals about 3 m/s, the other speeds are easy to estimate.

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