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Kilometers per hour to meters per second

1 kilometer per hour in meters per second
1 km/h = 0.27778 m/s
m/s = km/h × 5/18

To convert kilometers per hour to meters per second, multiply by 0.2777777778. The table below gives the values people look up most often, and the converter works for any number.

Kilometers per hour to meters per second table

Common kilometer per hour values converted to meters per second.
Kilometers per hour Meters per second
1 km/h 0.27778
2 km/h 0.55556
3 km/h 0.83333
4 km/h 1.111111
5 km/h 1.388889
10 km/h 2.777778
15 km/h 4.166667
20 km/h 5.555556
25 km/h 6.944444
30 km/h 8.333333
40 km/h 11.11111
50 km/h 13.88889
75 km/h 20.83333
100 km/h 27.77778
250 km/h 69.44444
500 km/h 138.8889
1,000 km/h 277.7778

How the conversion works

The relationship is m/s = km/h × 5/18. Both units measure speed, so the conversion is a fixed factor that never changes.

Common questions

How many meters per second are in one kilometer per hour?
One kilometer per hour equals 0.27778 meters per second. m/s = km/h × 5/18.
How do you convert kilometers per hour to meters per second?
Use m/s = km/h × 5/18. So 10 km/h is 2.777778 m/s.
How many kilometers per hour are in one meter per second?
One meter per second equals 3.6 kilometers per hour, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked