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km/h to m/s Converter

Convert kilometre per hour (km/h) to metre per second (m/s). Enter a value for an instant result, or use the examples and reverse conversion below.

520units ready to convert
MOTION

Speed

Linear speed for travel, wind and physics.

km/h
m/s

Try a decimal, 1e-9, 1/3, or 5 1/2.

Result0.277778 m/s1 km/h = 0.277778 m/s
HOW IT IS CALCULATED

Convert through metre per second

Enter a kilometre per hour value to calculate metre per second with full internal precision before display rounding.

Display PrecisionAuto · 6 significant digits

Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.

QUICK REFERENCE

All units in this quantity

UnitSymbolConverted value
metre per secondfrom km/hm/s0.277778
centimetre per secondfrom km/hcm/s27.7778
foot per secondfrom km/hft/s0.911344
kilometre per hourfrom km/hkm/h1
mile per hourfrom km/hmph0.621371
knotfrom km/hkn0.539957
kilometre per secondfrom km/hkm/s0.000277778
speed of light in vacuumfrom km/hc9.26567e-10

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.

km/h to m/s Conversion Reference

Kilometre Per Hour (km/h) and metre per second (m/s) are units of speed. Use this page to convert in either direction.

Conversion Examples

Kilometre Per Hour to Metre Per Second
Kilometre Per Hour (km/h)Metre Per Second (m/s)
1 km/h0.277778 m/s
5 km/h1.38889 m/s
10 km/h2.77778 m/s
100 km/h27.7778 m/s

Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.

Reverse Conversion

m/s to km/h (metre per second to kilometre per hour)

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