Beaufort 12 (Hurricane) to Knots (Bft 12 → kn)
Formula
1 Bft 12 = 63.56376981751173 knConversion Table
| Bft 12 | kn |
|---|---|
| 0 | 0 |
| 1.0000 | 63.564 |
| 2.0000 | 127.13 |
| 3.0000 | 190.69 |
| 4.0000 | 254.26 |
| 5.0000 | 317.82 |
| 6.0000 | 381.38 |
| 7.0000 | 444.95 |
| 8.0000 | 508.51 |
| 9.0000 | 572.07 |
| 10.000 | 635.64 |
| 11.000 | 699.20 |
| 12.000 | 762.77 |
| 13.000 | 826.33 |
| 14.000 | 889.89 |
| 15.000 | 953.46 |
| 16.000 | 1,017.0 |
| 17.000 | 1,080.6 |
| 18.000 | 1,144.1 |
| 19.000 | 1,207.7 |
| Bft 12 | kn |
|---|---|
| 20.000 | 1,271.3 |
| 21.000 | 1,334.8 |
| 22.000 | 1,398.4 |
| 23.000 | 1,462.0 |
| 24.000 | 1,525.5 |
| 25.000 | 1,589.1 |
| 26.000 | 1,652.7 |
| 27.000 | 1,716.2 |
| 28.000 | 1,779.8 |
| 29.000 | 1,843.3 |
| 30.000 | 1,906.9 |
| 31.000 | 1,970.5 |
| 32.000 | 2,034.0 |
| 33.000 | 2,097.6 |
| 34.000 | 2,161.2 |
| 35.000 | 2,224.7 |
| 36.000 | 2,288.3 |
| 37.000 | 2,351.9 |
| 38.000 | 2,415.4 |
| 39.000 | 2,479.0 |
| Bft 12 | kn |
|---|---|
| 40.000 | 2,542.6 |
| 41.000 | 2,606.1 |
| 42.000 | 2,669.7 |
| 43.000 | 2,733.2 |
| 44.000 | 2,796.8 |
| 45.000 | 2,860.4 |
| 46.000 | 2,923.9 |
| 47.000 | 2,987.5 |
| 48.000 | 3,051.1 |
| 49.000 | 3,114.6 |
| 50.000 | 3,178.2 |
| 51.000 | 3,241.8 |
| 52.000 | 3,305.3 |
| 53.000 | 3,368.9 |
| 54.000 | 3,432.4 |
| 55.000 | 3,496.0 |
| 56.000 | 3,559.6 |
| 57.000 | 3,623.1 |
| 58.000 | 3,686.7 |
| 59.000 | 3,750.3 |
| Bft 12 | kn |
|---|---|
| 60.000 | 3,813.8 |
| 61.000 | 3,877.4 |
| 62.000 | 3,941.0 |
| 63.000 | 4,004.5 |
| 64.000 | 4,068.1 |
| 65.000 | 4,131.6 |
| 66.000 | 4,195.2 |
| 67.000 | 4,258.8 |
| 68.000 | 4,322.3 |
| 69.000 | 4,385.9 |
| 70.000 | 4,449.5 |
| 71.000 | 4,513.0 |
| 72.000 | 4,576.6 |
| 73.000 | 4,640.2 |
| 74.000 | 4,703.7 |
| 75.000 | 4,767.3 |
| 76.000 | 4,830.8 |
| 77.000 | 4,894.4 |
| 78.000 | 4,958.0 |
| 79.000 | 5,021.5 |
Beaufort 12 (Hurricane) to Knots Conversion
Converting Beaufort 12 (Hurricane) (Bft 12) to Knots (kn) is a common speed conversion. 1 Bft 12 equals 63.56377 kn. For example, 100 Bft 12 is equal to 6,356.376982 kn.
Quick Mental Math: Beaufort 12 (Hurricane) to Knots
1 knot ≈ 1.15 mph; or multiply knots by 1.15 to get mph.
Why is converting Beaufort 12 (Hurricane) to Knots tricky?
Nautical mile (6076 ft) differs from statute mile (5280 ft), creating irrational ratios.
Quick Reference Values
1 Bft 12 = 63.56377 kn. 5 Bft 12 = 317.818849 kn. 10 Bft 12 = 635.637698 kn. 25 Bft 12 = 1,589.094245 kn. 50 Bft 12 = 3,178.188491 kn. 100 Bft 12 = 6,356.376982 kn.
What is Beaufort 12 (Hurricane)?
Beaufort 12 (Hurricane) (Bft 12) is a unit of speed. Beaufort 12 is the highest level on the Beaufort scale with wind speeds of 64 knots or more (33 m/s and above). It represents hurricane-force winds causing severe damage on land and very high waves at sea. The scale relates these wind speeds to observable destruction patterns [nist-si-guide]. The Beaufort scale was formalized to include Beaufort 12 to classify hurricane-force winds. Sir Francis Beaufort's initial scale was expanded to cover extreme wind events for maritime navigation safety [nist-si-guide]. Meteorological agencies worldwide use Beaufort 12 to warn of hurricanes, typhoons, and cyclones. It is critical in disaster preparedness and maritime safety protocols across tropical and coastal regions [nist-si-guide].
What is Knots?
Knots (kn) is a unit of speed. A knot is a unit of speed equal to one nautical mile per hour. It precisely corresponds to 1.852 kilometers per hour or 0.51444 meters per second. The knot is internationally recognized for maritime and aviation speed measurements and is defined using the international nautical mile of exactly 1852 meters [nist-si-guide]. The knot originated from the practice of measuring speed at sea using a 'log line' with knots tied at regular intervals. The term and unit were standardized with the adoption of the international nautical mile in 1929 by the International Hydrographic Organization [nist-si-guide]. Knots are the standard speed unit in global maritime navigation and aviation. Countries and organizations like the International Maritime Organization (IMO) and International Civil Aviation Organization (ICAO) mandate its use for vessel and aircraft speed reporting [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: beaufort twelve, beaufort-12, beaufortt 12, knotz, knotses, knotss, knotts. All of these refer to the Beaufort 12 (Hurricane) to Knots conversion.