Speed conversion

Convert Kilometer per hour to Meter per second

1 kilometer per hour (km/h) equals 0.277777777778 meter per second (m/s). Enter any value below to convert from km/h to m/s.

Enter a value and choose units. Results update instantly.

1 km/h = 0.2777777778 m/s

All Speed units

From 1 km/h
UnitValue
Meter per second m/s 0.2777777778
Kilometer per hour km/h 1
Mile per hour mph 0.6213711922
Knot kn 0.5399568035
Foot per second ft/s 0.9113444153
Centimeter per second cm/s 27.7777777778
Speed of light c 0.0000000009
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Formula

km/h to m/s conversion formula

Use this relationship for a direct conversion:

m/s = km/h x 0.277777777778

Worked example

2 km/h = 0.5555555556 m/s.

All listed factors are fixed by exact length and time definitions.

Quick reference

Kilometer per hour to Meter per second table

Kilometer per hour (km/h)Meter per second (m/s)
0.010.0027777778
0.10.0277777778
10.2777777778
20.5555555556
51.3888888889
102.7777777778
256.9444444444
5013.8888888889
10027.7777777778
1,000277.7777777778

From unit

About the kilometer per hour

One kilometer traveled in one hour.

Symbol: km/h

To unit

About the meter per second

The SI derived unit of speed.

Symbol: m/s

Keep converting

Related conversions

Source

Conversion standard

Definitions are checked against BIPM SI Brochure and international unit definitions. Calculations use full internal precision before display rounding.

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Questions

km/h to m/s FAQ

How do you convert kilometer per hour to meter per second?

Use the formula m/s = km/h x 0.277777777778. 1 kilometer per hour (km/h) equals 0.277777777778 meter per second (m/s).

Is the km/h to m/s conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.