Convert Knots (kn) to Meters Per Second (m/s)

1 knot equals 0.514444 meters per second.

Formula: m/s = kn × 0.514444

Knot to Meter Per Second Converter

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How to Convert Knot to Meter Per Second

1 knot = 0.514444 meters per second

Meter Per Second = Knot × 0.514444

Example: 1 kn × 0.514444 = 0.514444 m/s

Reverse Conversion

To convert meters per second back to knots:

  • Remember, 1 meter per second equals 1.94384 knots.
  • To convert 0.514444 m/s to kn, multiply 0.514444 x 1.94384, resulting in 1 kn.

Common Knot to Meter Per Second Conversions

Knot to Meter Per Second (Part 1)
Knot Meter Per Second Actions
1 knot 0.514444 meters per second
5 knots 2.57222 meters per second
10 knots 5.14444 meters per second
25 knots 12.8611 meters per second
Knot to Meter Per Second (Part 2)
Knot Meter Per Second Actions
50 knots 25.7222 meters per second
100 knots 51.4444 meters per second
500 knots 257.222 meters per second
1000 knots 514.444 meters per second

Knots to meters per second Conversion Table

Reference table with common knots to meters per second conversions. All values calculated with high precision.

Knots to Meters Per Second Table
0.001 to 5

Knots Meters per second Actions
0.001 kn 0.000514444 m/s
0.0025 kn 0.00128611 m/s
0.005 kn 0.00257222 m/s
0.01 kn 0.00514444 m/s
0.025 kn 0.0128611 m/s
0.05 kn 0.0257222 m/s
0.1 kn 0.0514444 m/s
14 kn 0.128611 m/s
12 kn 0.257222 m/s
1 kn 0.514444 m/s
2 12 kn 1.28611 m/s
5 kn 2.57222 m/s

Knots to Meters Per Second Table
10 to 1000000

Knots Meters per second Actions
10 kn 5.14444 m/s
25 kn 12.8611 m/s
50 kn 25.7222 m/s
100 kn 51.4444 m/s
250 kn 128.611 m/s
500 kn 257.222 m/s
1000 kn 514.444 m/s
2500 kn 1286.11 m/s
5000 kn 2572.22 m/s
10000 kn 5144.44 m/s
25000 kn 12861.1 m/s
50000 kn 25722.2 m/s
100000 kn 51444.4 m/s
250000 kn 128611 m/s
500000 kn 257222 m/s
1000000 kn 514444 m/s

Meters Per Second to Knots Table
0.0001 to 12

Meters per second Knots Actions
0.0001 m/s 0.000194384 kn
0.00025 m/s 0.000485961 kn
0.0005 m/s 0.000971922 kn
0.001 m/s 0.00194384 kn
0.0025 m/s 0.00485961 kn
0.005 m/s 0.00971922 kn
0.01 m/s 0.0194384 kn
0.025 m/s 0.0485961 kn
0.05 m/s 0.0971922 kn
0.1 m/s 0.194384 kn
14 m/s 0.485961 kn
12 m/s 0.971922 kn

Meters Per Second to Knots Table
1 to 100000

Meters per second Knots Actions
1 m/s 1.94384 kn
2 12 m/s 4.85961 kn
5 m/s 9.71922 kn
10 m/s 19.4384 kn
25 m/s 48.5961 kn
50 m/s 97.1922 kn
100 m/s 194.384 kn
250 m/s 485.961 kn
500 m/s 971.922 kn
1000 m/s 1943.84 kn
2500 m/s 4859.61 kn
5000 m/s 9719.22 kn
10000 m/s 19438.4 kn
25000 m/s 48596.1 kn
50000 m/s 97192.2 kn
100000 m/s 194384 kn

Definition of Knot

Knots: A Unit of Measurement for Speed

A knot (symbol: kn or kt) is a unit of speed equal to one nautical mile per hour (approximately 1.852 kilometers per hour or 1.15078 miles per hour). Knots are the standard unit of speed in aviation and maritime navigation worldwide.

The formal definition of a knot is the speed at which one nautical mile is traveled in one hour. The abbreviation "kts" (knots) is commonly used in aviation, particularly for airspeed indicators and flight plans.

Why Do Pilots and Sailors Use Knots?

Knots are preferred in aviation and maritime contexts because they are directly tied to the nautical mile, which corresponds to one minute of arc of latitude on the Earth's surface. This makes navigation calculations simpler when working with charts and coordinates. All international aviation and maritime communications use knots as the standard speed unit.

Common Aircraft Speeds in Knots

  • Light aircraft cruise speed: 100-150 kts
  • Turboprop aircraft cruise: 250-350 kts
  • Commercial jet cruise (typical): 400-500 kts
  • Boeing 737 cruise: ~450 kts (Mach 0.78)
  • Boeing 777 cruise: ~490 kts (Mach 0.84)
  • Airbus A320 cruise: ~447 kts (Mach 0.78)

Aviation Speed Terminology

  • IAS (Indicated Airspeed): The speed shown on the aircraft's airspeed indicator, measured in knots.
  • TAS (True Airspeed): The actual speed of the aircraft relative to the air mass, corrected for altitude and temperature.
  • GS (Ground Speed): The speed of the aircraft relative to the ground, affected by wind.
  • Mach Number: Speed relative to the speed of sound, commonly used at high altitudes.

Conversions to Other Units of Measurement:

  1. Kilometers per Hour (km/h): To convert knots to kilometers per hour, multiply the speed in knots by approximately 1.852. For example, 1 knot is equal to approximately 1.852 kilometers per hour.
  2. Miles per Hour (mph): To convert knots to miles per hour, multiply the speed in knots by approximately 1.15078. For example, 1 knot is equal to approximately 1.15078 miles per hour.
  3. Meters per Second (m/s): To convert knots to meters per second, multiply the speed in knots by approximately 0.514444. For example, 1 knot is equal to approximately 0.514444 meters per second.
  4. Feet per Second (ft/s): To convert knots to feet per second, multiply the speed in knots by approximately 1.68781. For example, 1 knot is equal to approximately 1.68781 feet per second.
  5. Beaufort Scale: The Beaufort scale is a measure of wind force based on observed sea conditions. It ranges from 0 (calm) to 12 (hurricane force). Knots are often used in conjunction with the Beaufort scale to estimate wind speeds.

About the Knot

Facts & Uses

  • 1 knot = 1 nautical mile per hour = 1.852 km/h exactly (international definition since 1929 ITHC, ratified by ISO/BIPM).
  • Standard speed unit for maritime navigation (ships, boats), aviation (airspeed and ground speed), and meteorology (wind speed reports).
  • Used in weather forecasts (winds aloft, hurricane intensity), oceanography (currents), and military/defense contexts globally.
  • Reference: a typical sailboat 4-8 knots, a cargo ship 15-25 knots, aircraft carrier 30+ knots, commercial jet cruise 450-500 knots ground speed.

Curiosities

  • The name "knot" comes from the old chip log — a knotted rope thrown overboard to measure ship speed by counting how many knots passed in 28 seconds.
  • The nautical mile is exactly 1852 meters, originally defined as 1 minute of arc along a meridian — making global navigation calculations very clean (1° latitude = 60 NM).
  • The Beaufort wind scale uses knots for force descriptions: 0 calm (<1 kn), 6 strong breeze (22-27 kn), 12 hurricane (≥64 kn).
  • Approximate equivalents: 10 knots ≈ 18.52 km/h ≈ 11.51 mph ≈ 5.144 m/s.

Sources

About the Meter Per Second

Facts & Uses

  • SI derived unit of speed: 1 m/s = the speed at which an object travels 1 meter in 1 second. The base reference for all velocity calculations.
  • Standard in physics, engineering, biomechanics (gait analysis), and fluid dynamics (flow velocities).
  • Used in wind speed measurement (meteorology), seismic wave velocity, and projectile motion equations.
  • Reference: walking pace ≈ 1.4 m/s, running 3-5 m/s, sprinting 10-12 m/s, highway driving ≈ 30 m/s.

Curiosities

  • The speed of sound in dry air at 20 °C is approximately 343 m/s — the foundation of Mach number calculations.
  • The speed of light in vacuum is exactly 299,792,458 m/s — a defining constant since 1983, used to define the meter itself.
  • Usain Bolt's 100 m world record (9.58 s) corresponds to an average 10.44 m/s, with peak speeds around 12.4 m/s in the middle of the race.
  • Approximate equivalents: 1 m/s = 3.6 km/h ≈ 2.237 mph ≈ 1.944 knots ≈ 3.281 ft/s.

Sources

Frequently Asked Questions

How many meters per second are in one knot?

One knot equals 0.514444 meters per second. To convert, multiply the knot value by 0.514444. For the reverse, divide the meter per second value by 0.514444 (or multiply by 1.94384).

What is 16 knots in meters per second?

16 knots = 8.2311 meters per second. This is one of the most commonly searched conversions for this pair.

How precise is the knot-to-meter per second conversion?

The factor 0.514444 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.

Looking for the reverse? Convert Meter Per Second to Knot

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Conversion factors verified against NIST, BIPM, ISO 80000-3 Derived from SI base units (m/s, BIPM). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.