Speed
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert kilometre per hour (km/h) to centimetre per second (cm/s). Enter a value for an instant result, or use the examples and reverse conversion below.
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a kilometre per hour value to calculate centimetre per second with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| metre per secondfrom km/h | m/s | 0.277778 |
| centimetre per secondfrom km/h | cm/s | 27.7778 |
| foot per secondfrom km/h | ft/s | 0.911344 |
| kilometre per hourfrom km/h | km/h | 1 |
| mile per hourfrom km/h | mph | 0.621371 |
| knotfrom km/h | kn | 0.539957 |
| kilometre per secondfrom km/h | km/s | 0.000277778 |
| speed of light in vacuumfrom km/h | c | 9.26567e-10 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Kilometre Per Hour (km/h) and centimetre per second (cm/s) are units of speed. Use this page to convert in either direction.
| Kilometre Per Hour (km/h) | Centimetre Per Second (cm/s) |
|---|---|
| 1 km/h | 27.7778 cm/s |
| 5 km/h | 138.889 cm/s |
| 10 km/h | 277.778 cm/s |
| 100 km/h | 2777.78 cm/s |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
cm/s to km/h (centimetre per second to kilometre per hour)