Convert 8 Millimeter/Second (mm/s) to Knot (kn).

8 Millimeter/Second equals 0.015551 Knot. Multiply 8 by 0.0019438445.

8 Millimeter/Second = 0.015551 Knot

Worked example: converting Millimeter/Second to Knot

Step 1 — start with the formula. kn = mm/s × 0.0019438445
Step 2 — substitute your figure. 8 mm/s × 0.0019438445
Step 3 — read the result. 8 mm/s = 0.015551 kn
Step 4 — check it in reverse. mm/s = kn × 514.444444 returns 8.0001 mm/s, which matches the figure you started with.

Speed Converter

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0.015551

8 mm/s = 0.015551 kn

Formula:

kn = mm/s × 0.0019438445

With your value: 8 mm/s = 0.01555076 kn

How big is that?

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

Your value8.00 mm/s

Walking pace (1.7e+2× your value)1.40e+3 mm/s

Cycling (6.9e+2× your value)5.50e+3 mm/s

Urban speed limit (50 km/h) (1.7e+3× your value)1.39e+4 mm/s

Cheetah sprint (3.6e+3× your value)2.90e+4 mm/s

Motorway (110 km/h) (3.8e+3× your value)3.06e+4 mm/s

Other Millimeter/Second to Knot conversions

4 mm/s to kn 5 mm/s to kn 6 mm/s to kn 7 mm/s to kn 9 mm/s to kn 10 mm/s to kn 11 mm/s to kn Full Millimeter/Second to Knot converter

Millimeter/Second to Knot Conversion Table

Millimeter/Second (mm/s)	Knot (kn)
0.5	0.000972
1	0.001944
2	0.003888
5	0.009719
10	0.019438
15	0.029158
20	0.038877
25	0.048596
50	0.097192
100	0.194384
250	0.485961
500	0.971922
1000	1.943844

Knot to Millimeter/Second Conversion Table

Knot (kn)	Millimeter/Second (mm/s)
0.5	257.222222
1	514.444444
2	1,028.888888
5	2,572.22222
10	5,144.44444
15	7,716.66666
20	10,288.88888
25	12,861.1111
50	25,722.2222
100	51,444.4444
250	128,611.111
500	257,222.222
1000	514,444.444

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

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

How to Convert Millimeter/Second to Knot

To convert from Millimeter/Second (mm/s) to Knot (kn), multiply the value by 0.0019438445.

Formula: kn = mm/s × 0.0019438445

Reverse: mm/s = kn × 514.444444

Step-by-Step Example

Start with your value in Millimeter/Second. For example: 5 mm/s
Multiply by the conversion factor: 5 x 0.0019438445
The result is: 0.009719 kn

About Millimeter/Second

The millimeter/second (mm/s) is a unit of speed and velocity. One millimeter/second equals 0.001 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.

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.

Frequently Asked Questions

What is 8 Millimeter/Second in Knot?

8 Millimeter/Second equals 0.015551 Knot.

How many Knot are in 1 Millimeter/Second?

There are exactly 0.0019438445 Knot in 1 Millimeter/Second. This means the conversion factor from Millimeter/Second to Knot is 0.0019438445.

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

The formula to convert Millimeter/Second to Knot is: kn = mm/s × 0.0019438445. For example, to convert 10 Millimeter/Second to Knot, you would multiply 10 by 0.0019438445.

What is a Millimeter/Second?