Kilometer/Hour to Centimeter/Second Converter

Speed Converter

18 units available

Decimals:

From

To

27.777778

1 km/h = 27.777778 cm/s

Formula:

cm/s = km/h × 27.7777777778

With your value: 1 km/h = 27.77777778 cm/s

How big is that?

Everyday references on a logarithmic scale, all expressed in kilometer/hour so you can sanity-check the result.

Your value1.00 km/h

Walking pace (5.0× your value)5.04 km/h

Cycling (20× your value)19.8 km/h

Urban speed limit (50 km/h) (50× your value)50.0 km/h

Cheetah sprint (1.0e+2× your value)104 km/h

Motorway (110 km/h) (1.1e+2× your value)110 km/h

Other Kilometer/Hour to Centimeter/Second conversions

2 km/h to cm/s 3 km/h to cm/s 4 km/h to cm/s 5 km/h to cm/s 6 km/h to cm/s 7 km/h to cm/s 8 km/h to cm/s

Kilometer/Hour to Centimeter/Second Conversion Table

Kilometer/Hour (km/h)	Centimeter/Second (cm/s)
0.5	13.888889
1	27.777778
2	55.555556
5	138.888889
10	277.777778
15	416.666667
20	555.555556
25	694.444444
50	1,388.888889
100	2,777.777778
250	6,944.444444
500	13,888.888889
1000	27,777.777778

Centimeter/Second to Kilometer/Hour Conversion Table

Centimeter/Second (cm/s)	Kilometer/Hour (km/h)
0.5	0.018
1	0.036
2	0.072
5	0.18
10	0.36
15	0.54
20	0.72
25	0.9
50	1.8
100	3.6
250	9
500	18
1000	36

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Kilometer/Hour (km/h)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Centimeter/Second (cm/s)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Kilometer/Hour to Centimeter/Second

To convert from Kilometer/Hour (km/h) to Centimeter/Second (cm/s), multiply the value by 27.7777777778.

Formula: cm/s = km/h × 27.7777777778

Reverse: km/h = cm/s × 0.036

Step-by-Step Example

Start with your value in Kilometer/Hour. For example: 5 km/h
Multiply by the conversion factor: 5 x 27.7777777778
The result is: 138.888889 cm/s

About Kilometer/Hour

Kilometers per hour is the most widely used unit of speed for vehicles in most countries.

Common uses: speed limits, vehicle speed, weather.

About Centimeter/Second

The centimeter/second (cm/s) is a unit of speed and velocity. One centimeter/second equals 0.01 metre per seconds. UnitConvertLab converts it against every other speed unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: speed calculations, engineering and science, education.

Frequently Asked Questions

How many Centimeter/Second are in 1 Kilometer/Hour?

There are exactly 27.7777777778 Centimeter/Second in 1 Kilometer/Hour. This means the conversion factor from Kilometer/Hour to Centimeter/Second is 27.7777777778.

What is the formula to convert Kilometer/Hour to Centimeter/Second?

The formula to convert Kilometer/Hour to Centimeter/Second is: cm/s = km/h × 27.7777777778. For example, to convert 10 Kilometer/Hour to Centimeter/Second, you would multiply 10 by 27.7777777778.

What is a Kilometer/Hour?