Knot to Centimeter/Second Converter

Speed Converter

18 units available

Decimals:

From

To

51.444444

1 kn = 51.444444 cm/s

Formula:

cm/s = kn × 51.4444444

With your value: 1 kn = 51.4444444 cm/s

How big is that?

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

Your value1.00 kn

Walking pace (2.7× your value)2.72 kn

Cycling (11× your value)10.7 kn

Urban speed limit (50 km/h) (27× your value)27.0 kn

Cheetah sprint (56× your value)56.4 kn

Motorway (110 km/h) (59× your value)59.5 kn

Other Knot to Centimeter/Second conversions

2 kn to cm/s 3 kn to cm/s 4 kn to cm/s 5 kn to cm/s 6 kn to cm/s 7 kn to cm/s 8 kn to cm/s

Knot to Centimeter/Second Conversion Table

Knot (kn)	Centimeter/Second (cm/s)
0.5	25.722222
1	51.444444
2	102.888889
5	257.222222
10	514.444444
15	771.666666
20	1,028.888888
25	1,286.11111
50	2,572.22222
100	5,144.44444
250	12,861.1111
500	25,722.2222
1000	51,444.4444

Centimeter/Second to Knot Conversion Table

Centimeter/Second (cm/s)	Knot (kn)
0.5	0.009719
1	0.019438
2	0.038877
5	0.097192
10	0.194384
15	0.291577
20	0.388769
25	0.485961
50	0.971922
100	1.943844
250	4.859611
500	9.719222
1000	19.438445

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.

Knot (kn)

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 Knot to Centimeter/Second

To convert from Knot (kn) to Centimeter/Second (cm/s), multiply the value by 51.4444444.

Formula: cm/s = kn × 51.4444444

Reverse: kn = cm/s × 0.0194384449

Step-by-Step Example

Start with your value in Knot. For example: 5 kn
Multiply by the conversion factor: 5 x 51.4444444
The result is: 257.222222 cm/s

About Knot

The knot equals one nautical mile per hour and is used in maritime and aviation contexts.

Fun Fact: The knot gets its name from the practice of using a knotted rope to measure ship speed.

Common uses: navigation, aviation, sailing.

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 Knot?

There are exactly 51.4444444 Centimeter/Second in 1 Knot. This means the conversion factor from Knot to Centimeter/Second is 51.4444444.

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

The formula to convert Knot to Centimeter/Second is: cm/s = kn × 51.4444444. For example, to convert 10 Knot to Centimeter/Second, you would multiply 10 by 51.4444444.

What is a Knot?