Kilometer per Hour to Centimeter per Hour Conversion

Convert between Kilometer per Hour and Centimeter per Hour quickly and accurately.

km/h
cm/h

How to Convert Kilometer per Hour to Centimeter per Hour

Conversion Formula

1 km/h = 99999.2 cm/h
1 cm/h = 0 km/h

Example

Convert 15 km/h to cm/h:

15 km/h = 15 × 99999.2 cm/h = 1499988 cm/h

Unit Information

Learn about the speed units you're converting between

Kilometer per Hour

km/h

Definition

The kilometer per hour is a unit of speed expressing the number of kilometers traveled in one hour. It is commonly used for measuring vehicle speeds, wind speeds, and general transportation velocities in most countries worldwide, except the United States.

History/Origin

Kilometer per hour became widely adopted with the metric system in the 19th century, particularly in Europe and other metric countries. It replaced various regional speed measurements and became the standard for road signs, speedometers, and official speed limits.

Current Use

Kilometer per hour is the primary speed unit for road traffic, aviation, maritime navigation, and weather reporting in metric countries. It is used on speedometers, road signs, weather forecasts, and in transportation planning and safety regulations.

Multiplier

0.278

Offset

0

Centimeter per Hour

cm/h

Definition

The centimeter per hour is a unit of speed representing the distance of one centimeter traveled in one hour. It is used for measuring extremely slow speeds such as the growth rates of plants, the movement of microorganisms, or other biological processes.

History/Origin

Centimeter per hour was developed for measuring very slow biological and geological processes. It became useful in botany, microbiology, and other life sciences where processes occur at rates too slow to measure in larger units.

Current Use

Centimeter per hour is used in biology for measuring plant growth rates, in microbiology for bacterial movement, in geology for very slow erosion processes, and in some industrial applications for extremely slow-moving systems.

Multiplier

0

Offset

0

Kilometer per Hour to Centimeter per Hour Conversion Table

Kilometer per Hour [km/h] Centimeter per Hour [cm/h]
1 km/h 99999.200014 cm/h
10 km/h 999992 cm/h
25 km/h 2499980 cm/h
50 km/h 4999960 cm/h
100 km/h 9999920 cm/h
0 km/h 0E+0 cm/h
-10 km/h -999992 cm/h
-40 km/h -3999968 cm/h

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