Kilometer per second to Centimeter per hour Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert kilometers per second [km/s] to centimeters per hour [cm/h] or centimeters per hour [cm/h] to kilometers per second [km/s]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert kilometers per second to centimeters per hour
There are two simple ways to convert kilometers per second [km/s] to centimeters per hour [cm/h]. In the first calculation method, the value in kilometers per second [km/s] is divided by the rounded conversion factor of 2.778 * 10-9. The second method multiplies the value in kilometers per second [km/s] by 3.6 * 108.
- Centimeters per hour [cm/h] ≈ kilometers per second [km/s] ÷ (2.778 * 10-9)
- Centimeters per hour [cm/h] = kilometers per second [km/s] * 3.6 * 108
The calculation method with a rounded conversion value is more suitable for rough conversions from kilometers per second [km/s] to centimeters per hour [cm/h], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.
Convert centimeters per hour to kilometers per second
Converting centimeters per hour [cm/h] to kilometers per second [km/s] is easy and can be done in two ways. The first method involves multiplication, in which the value in centimeters per hour [cm/h] is multiplied by the rounded conversion factor of 2.778 * 10-9. The second variant is a division. Here, the value in centimeters per hour [cm/h] is divided by 3.6 * 108.
- Kilometers per second [km/s] ≈ centimeters per hour [cm/h] * 2.778 * 10-9
- Kilometers per second [km/s] = centimeters per hour [cm/h] ÷ (3.6 * 108)
The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from centimeters per hour [cm/h] to kilometers per second [km/s] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.
Converter
Decimal places
How it's calculated
To all available units
Kilometers per second
Centimeters per minute
Kilometers per second
Centimeters per second
Kilometers per second
Decimeters per hour
Kilometers per second
Decimeters per minute
Kilometers per second
Decimeters per second
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