Formula
km/h to cm/s conversion formula
Use this relationship for a direct conversion:
cm/s = km/h x 27.777777777778
Worked example
2 km/h = 55.5555555556 cm/s.
All listed factors are fixed by exact length and time definitions.
Speed conversion
Convert Kilometer per hour to Centimeter per second
1 kilometer per hour (km/h) equals 27.777777777778 centimeter per second (cm/s). Enter any value below to convert from km/h to cm/s.
Enter a value and choose units. Results update instantly.
1 km/h = 27.7777777778 cm/s
All Speed units
From 1 km/h| Unit | Value |
|---|---|
| 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 |
Recent conversions
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Quick reference
Kilometer per hour to Centimeter per second table
| Kilometer per hour (km/h) | Centimeter per second (cm/s) |
|---|---|
| 0.01 | 0.2777777778 |
| 0.1 | 2.7777777778 |
| 1 | 27.7777777778 |
| 2 | 55.5555555556 |
| 5 | 138.8888888889 |
| 10 | 277.7777777778 |
| 25 | 694.4444444444 |
| 50 | 1,388.8888888889 |
| 100 | 2,777.7777777778 |
| 1,000 | 27,777.7777777778 |
From unit
About the kilometer per hour
One kilometer traveled in one hour.
Symbol: km/h
To unit
About the centimeter per second
One centimeter traveled in one second.
Symbol: cm/s
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Source
Conversion standard
Definitions are checked against BIPM SI Brochure and international unit definitions. Calculations use full internal precision before display rounding.
View the complete speed converterQuestions
km/h to cm/s FAQ
How do you convert kilometer per hour to centimeter per second?
Use the formula cm/s = km/h x 27.777777777778. 1 kilometer per hour (km/h) equals 27.777777777778 centimeter per second (cm/s).
Is the km/h to cm/s conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.