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Centimeters per Second to Kilometers per Hour Converter

Enter the speed in centimeters per second below to convert it to kilometers per hour.

Convert Centimeters per Second to Kilometers per Hour

Enter a value in centimeters per second (cm/s) to convert to kilometers per hour (km/h).

Result
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0.18kilometers per hour
5 cm/s = 0.18 km/h
Result updates automatically
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Equivalent Measurements Across UnitsFor 5 cm/s
Knots0.09719 kn
Suggested Conversions
Reference:NIST SP 811 (NIST SP 811 App. B.9 (Velocity))
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Centimeters per Second to Kilometers per Hour Conversion Table

Table showing various centimeters per second measurements converted to kilometers per hour. Click any preset value or arrow to load it into the converter.

Centimeters per Second (cm/s)Kilometers per Hour (km/h)
1 cm/s0.036 km/h
2 cm/s0.072 km/h
2.5 cm/s0.09 km/h
5 cm/s0.18 km/h
10 cm/s0.36 km/h
15 cm/s0.54 km/h
20 cm/s0.72 km/h
25 cm/s0.9 km/h
30 cm/s1.08 km/h
50 cm/s1.8 km/h

How to Convert Centimeters per Second to Kilometers per Hour

To convert centimeters per second to kilometers per hour, multiply the speed by the following conversion ratio: 0.036 kilometers per hour/centimeters per second.

Since one centimeters per second is equal to 0.036 kilometers per hour, you can use this simple formula to convert:

kilometers per hour = centimeters per second × 0.036

The speed in kilometers per hour is equal to the speed in centimeters per second multiplied by 0.036.

For example, here's how to convert 5 centimeters per second to kilometers per hour using the formula above.

kilometers per hour = (5 cm/s × 0.036) = 0.18 km/h

How Many Kilometers per Hour Are in a Centimeters per Second?

There are 0.036 kilometers per hour in a centimeters per second, which is why we use this value in the formula above.

1 cm/s = 0.036 km/h|1 km/h = 27.7777778 cm/s

Our centimeters per second to kilometers per hour calculator automatically converts your speed measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Centimeters per Second and kilometers per hour are both units used to measure speed. Keep reading to learn more about each unit.

What Is a Centimeters per Second?

A centimeters per second is a unit of speed equal to 1/100 of a meters per second (0.01 m/s). CGS velocity unit equal to 0.01 m/s. [1]

The centimeters per second is classified as a metric and SI-compatible unit of speed. Centimeters per Second can be abbreviated as cm/s; for example, 1 centimeters per second can be written as 1 cm/s.

In the metric system, "centi" is the standard SI prefix for hundredths, or 10⁻². This makes the centimeters per second (cm/s) a convenient decimal multiple of the meters per second (m/s).

In practice, centimeters per second (cm/s) are widely used across fine-tolerance laboratory, analytical, and micro-scale speed measurements within SI metric workflows, engineering documentation, and technical data sheets.

What Is a Kilometers per Hour?

A kilometers per hour is a unit of speed equal to 0.2777778 meters per second (m/s), the base unit for speed. Standard metric road speed unit (1 m/s = 3.6 km/h). [2]

The kilometers per hour is classified as a metric and SI-compatible unit of speed. Kilometers per Hour can be abbreviated as km/h; for example, 1 kilometers per hour can be written as 1 km/h.

In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilometers per hour (km/h) a convenient decimal multiple of the meters per second (m/s).

In practice, kilometers per hour (km/h) are widely used across standard speed applications within SI metric workflows, engineering documentation, and technical data sheets.

When converting speed between centimeters per second (cm/s) and kilometers per hour (km/h), keep full floating-point precision (1 cm/s = 0.036 km/h; 1 km/h = 27.7777778 cm/s) during intermediate calculations and round only the final kilometers per hour figure to match your instrument tolerance.

More Centimeters per Second & Kilometers per Hour Conversions

Need to calculate in the opposite direction? Use our kilometers per hour to centimeters per second calculator to switch your starting unit immediately. You can also explore related tools such as converting kilometers per hour to centimeters per second, converting miles per hour to kilometers per hour, or converting meters per second to kilometers per hour.

Frequently Asked Questions

There are 0.036 kilometers per hour (km/h) in 1 centimeters per second (cm/s). Conversely, 1 kilometers per hour (km/h) is equal to 27.77778 centimeters per second (cm/s).

References

NIST · BIPM · ISO
  1. [1]
    NIST SP 811 (NIST SP 811 App. B.9 (Velocity))·Speed Metrology Standard — Centimeters per Second (cm/s) to Kilometers per Hour (km/h)
    NIST SP 811 Standard
  2. [2]
    NIST OWM (SI Units — Length & Distance)·Unit Specifications: Centimeters per Second (cm/s) & Kilometers per Hour (km/h)
    NIST OWM Specification
  3. [3]
    NIST CUU (SI Coherent Derived Units (m/s))·Conversion Factors & Mathematical Basis (cm/s to km/h)
    NIST CUU Reference
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