Knot (kn)
One knot is one nautical mile per hour, defined as exactly 1,852 meters per hour (0.514444 m/s).
Knots are standard for ships, aircraft airspeed, and marine weather forecasts worldwide.
Knot to Meter per Second
Convert knot to meter per second instantly. Type in either field — results update live.
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Speed Knot Meter per Second
1 knot = 0.5144444444 meters per second
Unit
Unit
Conversion table
Selected kn values converted to m/s using the exact factor from this tool.
| kn | m/s |
|---|---|
| 0.01 | 0.0051444444 |
| 0.1 | 0.0514444444 |
| 1 | 0.5144444444 |
| 2 | 1.0288888888 |
| 3 | 1.5433333332 |
| 5 | 2.572222222 |
| 10 | 5.144444444 |
| 20 | 10.288888888 |
| 50 | 25.72222222 |
| 100 | 51.44444444 |
| 1,000 | 514.4444444 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 kn = 0.5144444444 m/s
1 m/s = 1.9438444926 kn
To convert knot to meter per second, multiply by 0.5144444444.
To convert meter per second to knot, multiply by 1.9438444926.
Example: convert 10 kn to m/s
10 × 0.5144444444 = 5.144444444 m/s
About these units
Short background on the units used in this conversion.
Meter per Second (m/s)
Meters per second is the SI unit of speed — how many meters an object travels in one second.
Meters per second appear in physics labs, wind-speed science data, and some European road signage.
Frequently asked questions
How many meters per second are in one knot?
One knot equals 0.5144444444 meters per second. Multiply your knots value by 0.5144444444 to convert to meters per second.
What is the conversion formula?
m/s = kn × 0.5144444444The reverse is
kn = m/s × 1.9438444926, using the same exact factors as this converter.Is this Knot to Meter per Second converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All knot conversions
Jump to any speed conversion starting from knot — including the reverse direction and every other unit in our dataset.
meter per second (m/s) → knot (kn)
knot (kn) → kilometer per hour (km/h)knot (kn) → mile per hour (mph)knot (kn) → meter per hour (m/h)knot (kn) → meter per minute (m/min)knot (kn) → kilometer per minute (km/min)knot (kn) → kilometer per second (km/s)knot (kn) → centimeter per hour (cm/h)knot (kn) → centimeter per minute (cm/min)knot (kn) → centimeter per second (cm/s)knot (kn) → millimeter per hour (mm/h)knot (kn) → millimeter per minute (mm/min)knot (kn) → millimeter per second (mm/s)knot (kn) → foot per hour (ft/h)knot (kn) → foot per minute (ft/min)knot (kn) → foot per second (ft/s)knot (kn) → yard per hour (yd/h)knot (kn) → yard per minute (yd/min)knot (kn) → yard per second (yd/s)knot (kn) → mile per minute (mi/min)knot (kn) → mile per second (mi/s)knot (kn) → inch per second (in/s)knot (kn) → knot (uk) (kn (UK))knot (kn) → mach (sea level, ~stp)knot (kn) → mach (20°c, 1 atm)knot (kn) → mach (si standard)knot (kn) → velocity of light in vacuum (c)knot (kn) → cosmic velocity — first (v₁)knot (kn) → cosmic velocity — second (v₂)knot (kn) → cosmic velocity — third (v₃)knot (kn) → earth's velocity (v⊕)knot (kn) → velocity of sound in pure water (c_water)knot (kn) → velocity of sound in sea water (20°c, 10 m) (c_sea)