Knots to Metres per second
Type a value in Knots and get the result in Metres per second, calculated exactly.
100 Knots ≈ 51.44444444 Metres per second
Precision
Exact factorRounded for display to about 10 significant digits.
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Formula
m/s = kn × 0.514444444444
To convert Knots to Metres per second, multiply the value by 0.514444444444.
Worked examples
- 1 kn × 0.514444444444 ≈ 0.5144444444 m/s
- 100 kn × 0.514444444444 ≈ 51.44444444 m/s
- 50 kn × 0.514444444444 ≈ 25.72222222 m/s
This factor is exact by definition.
Conversion table
| Knots (kn) | Metres per second (m/s) |
|---|---|
| 1 | ≈ 0.5144444 |
| 2 | ≈ 1.028889 |
| 3 | ≈ 1.543333 |
| 4 | ≈ 2.057778 |
| 5 | ≈ 2.572222 |
| 6 | ≈ 3.086667 |
| 7 | ≈ 3.601111 |
| 8 | ≈ 4.115556 |
| 9 | 4.63 |
| 10 | ≈ 5.144444 |
| 15 | ≈ 7.716667 |
| 20 | ≈ 10.28889 |
| 25 | ≈ 12.86111 |
| 30 | ≈ 15.43333 |
| 40 | ≈ 20.57778 |
| 50 | ≈ 25.72222 |
| 60 | ≈ 30.86667 |
| 70 | ≈ 36.01111 |
| 75 | ≈ 38.58333 |
| 80 | ≈ 41.15556 |
| 90 | 46.3 |
| 100 | ≈ 51.44444 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Metres per second to Knots
| Metres per second (m/s) | Knots (kn) |
|---|---|
| 1 | ≈ 1.943844 |
| 2 | ≈ 3.887689 |
| 3 | ≈ 5.831533 |
| 4 | ≈ 7.775378 |
| 5 | ≈ 9.719222 |
| 6 | ≈ 11.66307 |
| 7 | ≈ 13.60691 |
| 8 | ≈ 15.55076 |
| 9 | ≈ 17.4946 |
| 10 | ≈ 19.43844 |
| 15 | ≈ 29.15767 |
| 20 | ≈ 38.87689 |
| 25 | ≈ 48.59611 |
| 30 | ≈ 58.31533 |
| 40 | ≈ 77.75378 |
| 50 | ≈ 97.19222 |
| 60 | ≈ 116.6307 |
| 70 | ≈ 136.0691 |
| 75 | ≈ 145.7883 |
| 80 | ≈ 155.5076 |
| 90 | ≈ 174.946 |
| 100 | ≈ 194.3844 |
Unit definitions
- Knots kn
- One nautical mile per hour: exactly 1.852 km/h.
- Metres per second m/s
- The SI unit of speed.
Questions people ask
Knots to Metres per second: what is the conversion factor?
One kn is ≈ 0.5144444444 m/s.
How do I convert Knots to Metres per second?
Use the formula above. For example, 100 kn = ≈ 51.44444444 m/s.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.