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Speed • NIST Exact

Knots → Meters per Second

kn → m/s

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NIST Exact

Based on U.S. National Institute of Standards

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Knots to Meters per Second Formula

To convert from Knots to Meters per Second, you can use the following formula:

Meters per Second = Knots × NaN

This means you need to multiply your Knots value by NaN to get the equivalent value in Meters per Second.

kn → m/s Reference Table

kn m/s
0.001 kn 0.0005144444444 m/s
0.002 kn 0.001028888889 m/s
0.003 kn 0.001543333333 m/s
0.004 kn 0.002057777778 m/s
0.005 kn 0.002572222222 m/s
0.006 kn 0.003086666667 m/s
0.007 kn 0.003601111111 m/s
0.008 kn 0.004115555556 m/s
0.009 kn 0.00463 m/s
0.01 kn 0.005144444444 m/s
0.02 kn 0.01028888889 m/s
0.03 kn 0.01543333333 m/s
0.04 kn 0.02057777778 m/s
0.05 kn 0.02572222222 m/s
0.06 kn 0.03086666667 m/s
0.07 kn 0.03601111111 m/s
0.08 kn 0.04115555556 m/s
0.09 kn 0.0463 m/s
0.1 kn 0.05144444444 m/s
0.2 kn 0.1028888889 m/s
0.3 kn 0.1543333333 m/s
0.4 kn 0.2057777778 m/s
0.5 kn 0.2572222222 m/s
0.6 kn 0.3086666667 m/s
0.7 kn 0.3601111111 m/s
0.8 kn 0.4115555556 m/s
0.9 kn 0.463 m/s
1 kn 0.5144444444 m/s
1.5 kn 0.7716666667 m/s
2 kn 1.028888889 m/s
2.5 kn 1.286111111 m/s
3 kn 1.543333333 m/s
3.5 kn 1.800555556 m/s
4 kn 2.057777778 m/s
4.5 kn 2.315 m/s
5 kn 2.572222222 m/s
5.5 kn 2.829444444 m/s
6 kn 3.086666667 m/s
6.5 kn 3.343888889 m/s
7 kn 3.601111111 m/s
7.5 kn 3.858333333 m/s
8 kn 4.115555556 m/s
8.5 kn 4.372777778 m/s
9 kn 4.63 m/s
9.5 kn 4.887222222 m/s
10 kn 5.144444444 m/s
11 kn 5.658888889 m/s
12 kn 6.173333333 m/s
13 kn 6.687777778 m/s
14 kn 7.202222222 m/s
15 kn 7.716666667 m/s
16 kn 8.231111111 m/s
17 kn 8.745555556 m/s
18 kn 9.26 m/s
19 kn 9.774444444 m/s
20 kn 10.28888889 m/s
25 kn 12.86111111 m/s
30 kn 15.43333333 m/s
35 kn 18.00555556 m/s
40 kn 20.57777778 m/s
45 kn 23.15 m/s
50 kn 25.72222222 m/s
55 kn 28.29444444 m/s
60 kn 30.86666667 m/s
65 kn 33.43888889 m/s
70 kn 36.01111111 m/s
75 kn 38.58333333 m/s
80 kn 41.15555556 m/s
85 kn 43.72777778 m/s
90 kn 46.3 m/s
95 kn 48.87222222 m/s
100 kn 51.44444444 m/s
120 kn 61.73333333 m/s
125 kn 64.30555556 m/s
130 kn 66.87777778 m/s
140 kn 72.02222222 m/s
150 kn 77.16666667 m/s
160 kn 82.31111111 m/s
175 kn 90.02777778 m/s
180 kn 92.6 m/s
200 kn 102.8888889 m/s
225 kn 115.75 m/s
250 kn 128.6111111 m/s
275 kn 141.4722222 m/s
300 kn 154.3333333 m/s
350 kn 180.0555556 m/s
400 kn 205.7777778 m/s
450 kn 231.5 m/s
500 kn 257.2222222 m/s
600 kn 308.6666667 m/s
700 kn 360.1111111 m/s
750 kn 385.8333333 m/s
800 kn 411.5555556 m/s
900 kn 463 m/s
1000 kn 514.4444444 m/s
1200 kn 617.3333333 m/s
1250 kn 643.0555556 m/s
1500 kn 771.6666667 m/s
1750 kn 900.2777778 m/s
2000 kn 1028.888889 m/s
2500 kn 1286.111111 m/s
3000 kn 1543.333333 m/s
4000 kn 2057.777778 m/s
4500 kn 2315 m/s
5000 kn 2572.222222 m/s
6000 kn 3086.666667 m/s
7000 kn 3601.111111 m/s
7500 kn 3858.333333 m/s
8000 kn 4115.555556 m/s
9000 kn 4630 m/s
10000 kn 5144.444444 m/s
15000 kn 7716.666667 m/s
20000 kn 10288.88889 m/s
25000 kn 12861.11111 m/s
50000 kn 25722.22222 m/s
75000 kn 38583.33333 m/s
100000 kn 51444.44444 m/s

Values based on NIST SP 811 conversion factors

Why Convert Knots to Meters per Second?

Converting between knots (kn) and meters per second (m/s) is one of the most common speed conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert kn to m/s saves time and prevents errors.

Speed conversions from kn to m/s are critical for navigation, aviation, and sports analytics. Pilots and sailors must constantly convert between knots, km/h, and mph to ensure safe travel and comply with international air and maritime regulations. For motorists driving across borders, understanding local speed limits in a different unit is vital to avoid fines and accidents. In sports, analyzing the performance of sprinters, cyclists, or racing cars often involves comparing speeds recorded in different measurement systems. Accurate speed conversion ensures safety, legal compliance, and fair competitive analysis.

How to Convert Knots to Meters per Second

To convert knots to meters per second, use the following formula:

m/s = kn × 0.5144444444

Example: 1 kn = 0.5144444444 m/s

For example, 5 kn = 2.572222222 m/s, 10 kn = 5.144444444 m/s, and 100 kn = 51.44444444 m/s. For larger values, 1000 kn = 514.4444444 m/s. Conversely, 1 m/s = 1.943844492 kn. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

  • Knots vs MPH: a Knot is faster than a Mile per Hour (1 Knot = 1.15 mph).
  • Mach numbers: speed of sound varies with temperature/altitude.
  • Pace confusion: mixing up speed (distance/time) with pace (time/distance).

Pro Tips

  • Highway math: 60 mph = 1 mile per minute. Easy for ETA calculation.
  • KPH to MPH: Multiply km/h by 0.6 to get mph (approx).
  • Light speed: Nothing travels faster than light (approx 300,000 km/s).

What is a Knot?

A unit of speed equal to one nautical mile per hour.

Exclusively used in maritime and aviation navigation.

What is a Meter per Second?

The SI derived unit of speed and velocity.

Used in scientific contexts and physics.

Frequently Asked Questions

Speed More Conversions

km/h → mphmph → km/hm/s → km/hkm/h → m/skn → km/hkn → mph

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