Convert 18 Millimeter/Second (mm/s) to Centimeter/Second (cm/s).

18 Millimeter/Second equals 1.8 Centimeter/Second. Multiply 18 by 0.1.

What is 18 Millimeter/Second in Centimeter/Second?

18 Millimeter/Second equals 1.8 Centimeter/Second.

How many Centimeter/Seconds are in 1 Millimeter/Second?

There are exactly 0.1 Centimeter/Seconds in 1 Millimeter/Second. This means the conversion factor from Millimeter/Second to Centimeter/Second is 0.1.

What is the formula to convert Millimeter/Second to Centimeter/Second?

The formula to convert Millimeter/Second to Centimeter/Second is: cm/s = mm/s × 0.1. For example, to convert 10 Millimeter/Seconds to Centimeter/Seconds, you would multiply 10 by 0.1.

What are the common uses of Millimeter/Second?

The Millimeter/Second is commonly used in speed calculations, engineering and science, education.

What is 18 Millimeter/Second in Centimeter/Second?

To convert 18 Millimeter/Seconds to Centimeter/Seconds, multiply by 0.1. Therefore, 18 Millimeter/Second (mm/s) equals 1.8 Centimeter/Second (cm/s).

18 Millimeter/Second to Centimeter/Second

Worked example: converting Millimeter/Second to Centimeter/Second

Step 1 — start with the formula. cm/s = mm/s × 0.1
Step 2 — substitute your figure. 18 mm/s × 0.1
Step 3 — read the result. 18 mm/s = 1.8 cm/s
Step 4 — check it in reverse. mm/s = cm/s × 10 returns 18 mm/s, which matches the figure you started with.

Speed Converter

18 units available

Decimals:

From

To

1.8

18 mm/s = 1.8 cm/s

Formula:

cm/s = mm/s × 0.1

With your value: 18 mm/s = 1.8 cm/s

How big is that?

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

Your value18.0 mm/s

Walking pace (78× your value)1.40e+3 mm/s

Cycling (3.1e+2× your value)5.50e+3 mm/s

Urban speed limit (50 km/h) (7.7e+2× your value)1.39e+4 mm/s

Cheetah sprint (1.6e+3× your value)2.90e+4 mm/s

Motorway (110 km/h) (1.7e+3× your value)3.06e+4 mm/s

Other Millimeter/Second to Centimeter/Second conversions

13 mm/s to cm/s 14 mm/s to cm/s 15 mm/s to cm/s 16 mm/s to cm/s 20 mm/s to cm/s 21 mm/s to cm/s 24 mm/s to cm/s Full Millimeter/Second to Centimeter/Second converter

Millimeter/Second to Centimeter/Second Conversion Table

Millimeter/Second (mm/s)	Centimeter/Second (cm/s)
0.5	0.05
1	0.1
2	0.2
5	0.5
10	1
15	1.5
20	2
25	2.5
50	5
100	10
250	25
500	50
1000	100

Centimeter/Second to Millimeter/Second Conversion Table

Centimeter/Second (cm/s)	Millimeter/Second (mm/s)
0.5	5
1	10
2	20
5	50
10	100
15	150
20	200
25	250
50	500
100	1,000
250	2,500
500	5,000
1000	10,000

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.

Millimeter/Second (mm/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

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 Millimeter/Second to Centimeter/Second

To convert from Millimeter/Second (mm/s) to Centimeter/Second (cm/s), multiply the value by 0.1.

Formula: cm/s = mm/s × 0.1

Reverse: mm/s = cm/s × 10

Step-by-Step Example

Start with your value in Millimeter/Second. For example: 5 mm/s
Multiply by the conversion factor: 5 x 0.1
The result is: 0.5 cm/s

Millimeter/Second and Centimeter/Second Relationship

This calculation facilitates standardized conversion between recognized units of speed. Since 1 Millimeter/Second represents a fraction of a Centimeter/Second (1 Centimeter/Second ≈ 10 Millimeter/Seconds), the Centimeter/Second is the larger measurement interval. Understanding the relationship between Millimeter/Second and Centimeter/Second is essential for accurate calculations in physics, engineering, commerce, and daily applications.

About Millimeter/Second

The Millimeter/Second (symbol: mm/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.

Common uses of Millimeter/Second: speed calculations, engineering and science, education.

About Centimeter/Second

The Centimeter/Second (symbol: cm/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.

Common uses of Centimeter/Second: speed calculations, engineering and science, education.

Frequently Asked Questions

What is 18 Millimeter/Second in Centimeter/Second?: 18 Millimeter/Second equals 1.8 Centimeter/Second.
How many Centimeter/Seconds are in 1 Millimeter/Second?: There are exactly 0.1 Centimeter/Seconds in 1 Millimeter/Second. This means the conversion factor from Millimeter/Second to Centimeter/Second is 0.1.
What is the formula to convert Millimeter/Second to Centimeter/Second?: The formula to convert Millimeter/Second to Centimeter/Second is: cm/s = mm/s × 0.1. For example, to convert 10 Millimeter/Seconds to Centimeter/Seconds, you would multiply 10 by 0.1.
What is a Millimeter/Second?: The Millimeter/Second (symbol: mm/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.
What is a Centimeter/Second?: The Centimeter/Second (symbol: cm/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.
What are the common uses of Millimeter/Second?: The Millimeter/Second is commonly used in speed calculations, engineering and science, education.