Speed

Knots to Meters per Second

Convert knots to meters per second instantly. 1 kn = 0.5144444444 m/s. Includes the exact factor, a conversion table of common values and the definition of both units.

kn
Meters per Second
One step, one exact factorKnotswhat you have× 0.5144444444Meters per Secondwhat you getBoth units are defined against the same base unit, so the factor is exact — never an approximation.

How to convert knots to meters per second

To convert knots to meters per second, divide by 1.9438444924 (multiply by 0.5144444444). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.

m/s = kn × 0.5144444444

Knots to Meters per Second conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

KnotsMeters per Second
1 kn0.514444 m/s
2 kn1.028889 m/s
3 kn1.543333 m/s
5 kn2.572222 m/s
10 kn5.144444 m/s
20 kn10.288889 m/s
25 kn12.861111 m/s
50 kn25.722222 m/s
100 kn51.444444 m/s
500 kn257.222222 m/s
1,000 kn514.444444 m/s

What is a knot?

One nautical mile per hour, the standard at sea and in the air.

What is a meters per second?

The SI unit of speed, and the one every physics formula expects.

The formula

m/s = kn × 0.5144444444

Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.

How to use the Knots to Meters per Second

  1. Type the number of knots you want to convert.
  2. Read the result in meters per second straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked meters per second to knots page.

Knots to Meters per Second — frequently asked questions

How many meters per second are in a knot?

One knot equals 0.5144444444 m/s. m/s = kn × 0.5144444444

What is the formula to convert knots to meters per second?

The formula is m/s = kn × 0.5144444444. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert meters per second back to knots?

Divide instead of multiplying: one meters per second is 1.9438444924 kn. The reverse converter is linked in the related tools list.

Is this conversion exact?

Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.

Is this knots to meters per second free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

What people search for

This page answers each of these searches. They are the exact phrases visitors use to find the knots to meters per second.

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About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error