Conversion

Kilometers per Hour to Meters per Second Converter

1 kilometer per hour = 0.2777777778 m/s. Enter any value to convert kilometers per hour (km/h) to meters per second (m/s), or use the table below for common values.

Results

1 km/h =0.2777777778 m/skilometers per hour → meters per second
1 km/h0.2777777778 m/s
1 m/s3.6 km/h
Formula
m/s = km/h × 0.2777777778
1 km/h in other units
1 km/h in other units
UnitValue
miles per hour (mph)0.6213711922
meters per second (m/s)0.2777777778
feet per second (ft/s)0.9113444153
knots (kn)0.5399568035

Formula

m/s = km/h × 0.2777777778

Example: 10 km/h = 2.777777778 m/s. To convert the other way, use km/h = m/s × 3.6.

Quick mental estimate: multiply by about 0.28.

Kilometers per Hour to Meters per Second conversion table

Kilometers per Hour (km/h)Meters per Second (m/s)
1 km/h0.2777777778 m/s
5 km/h1.388888889 m/s
10 km/h2.777777778 m/s
20 km/h5.555555556 m/s
30 km/h8.333333333 m/s
40 km/h11.11111111 m/s
50 km/h13.88888889 m/s
60 km/h16.66666667 m/s
70 km/h19.44444444 m/s
80 km/h22.22222222 m/s
90 km/h25 m/s
100 km/h27.77777778 m/s
120 km/h33.33333333 m/s
150 km/h41.66666667 m/s
200 km/h55.55555556 m/s
300 km/h83.33333333 m/s

About kilometers per hour and meters per second

Kilometers per hour is the speed unit on road signs and speedometers in most of the world.

The meter per second is the SI unit of speed, used in physics, engineering and for wind speed in weather science.

Other Speed conversions

Frequently asked questions

How do I convert kilometers per hour to meters per second?

Use the formula m/s = km/h × 0.2777777778. For example, 10 km/h = 2.777777778 m/s.

What is 1 kilometer per hour in meters per second?

1 km/h = 0.2777777778 m/s.

How do I convert meters per second back to kilometers per hour?

Use km/h = m/s × 3.6. 1 m/s = 3.6 km/h.