Convert 500 Knot (kn) to Meter/Second (m/s).

500 Knot equals 257.222222 Meter/Second. Multiply 500 by 0.514444444.

500 Knot = 257.222222 Meter/Second

Worked example: converting Knot to Meter/Second

Step 1 — start with the formula. m/s = kn × 0.514444444
Step 2 — substitute your figure. 500 kn × 0.514444444
Step 3 — read the result. 500 kn = 257.222222 m/s
Step 4 — check it in reverse. kn = m/s × 1.9438444941 returns 500 kn, which matches the figure you started with.

Speed Converter

18 units available

Decimals:

From

To

257.222222

500 kn = 257.222222 m/s

Formula:

m/s = kn × 0.514444444

With your value: 500 kn = 257.222222 m/s

How big is that?

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

Urban speed limit (50 km/h) (1/19 your value)27.0 kn

Cheetah sprint (1/8.9 your value)56.4 kn

Motorway (110 km/h) (1/8.4 your value)59.5 kn

Airliner cruise (1/1.0 your value)486 kn

Your value500 kn

Speed of sound (sea level) (1.3× your value)667 kn

Other Knot to Meter/Second conversions

90 kn to m/s 96 kn to m/s 100 kn to m/s 120 kn to m/s 150 kn to m/s 200 kn to m/s 1000 kn to m/s Full Knot to Meter/Second converter

Knot to Meter/Second Conversion Table

Knot (kn)	Meter/Second (m/s)
0.5	0.257222
1	0.514444
2	1.028889
5	2.572222
10	5.144444
15	7.716667
20	10.288889
25	12.861111
50	25.722222
100	51.444444
250	128.611111
500	257.222222
1000	514.444444

Meter/Second to Knot Conversion Table

Meter/Second (m/s)	Knot (kn)
0.5	0.971922
1	1.943844
2	3.887689
5	9.719222
10	19.438445
15	29.157667
20	38.87689
25	48.596112
50	97.192225
100	194.384449
250	485.961124
500	971.922247
1000	1,943.844494

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

Meter/Second (m/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 Meter/Second

To convert from Knot (kn) to Meter/Second (m/s), multiply the value by 0.514444444.

Formula: m/s = kn × 0.514444444

Reverse: kn = m/s × 1.9438444941

Step-by-Step Example

Start with your value in Knot. For example: 5 kn
Multiply by the conversion factor: 5 x 0.514444444
The result is: 2.572222 m/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 Meter/Second

The meter/second (m/s) is a unit of speed and velocity. One meter/second equals 1 metre per second. 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

What is 500 Knot in Meter/Second?

500 Knot equals 257.222222 Meter/Second.

How many Meter/Second are in 1 Knot?

There are exactly 0.514444444 Meter/Second in 1 Knot. This means the conversion factor from Knot to Meter/Second is 0.514444444.

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

The formula to convert Knot to Meter/Second is: m/s = kn × 0.514444444. For example, to convert 10 Knot to Meter/Second, you would multiply 10 by 0.514444444.

What is a Knot?