Miles per Hour to Beaufort 1 (Light Air) (mph → Bft 1)
Formula
1 mph = 0.5588 Bft 1Conversion Table
| mph | Bft 1 |
|---|---|
| 0 | 0 |
| 1.0000 | 0.55880 |
| 2.0000 | 1.1176 |
| 3.0000 | 1.6764 |
| 4.0000 | 2.2352 |
| 5.0000 | 2.7940 |
| 6.0000 | 3.3528 |
| 7.0000 | 3.9116 |
| 8.0000 | 4.4704 |
| 9.0000 | 5.0292 |
| 10.000 | 5.5880 |
| 11.000 | 6.1468 |
| 12.000 | 6.7056 |
| 13.000 | 7.2644 |
| 14.000 | 7.8232 |
| 15.000 | 8.3820 |
| 16.000 | 8.9408 |
| 17.000 | 9.4996 |
| 18.000 | 10.058 |
| 19.000 | 10.617 |
| mph | Bft 1 |
|---|---|
| 20.000 | 11.176 |
| 21.000 | 11.735 |
| 22.000 | 12.294 |
| 23.000 | 12.852 |
| 24.000 | 13.411 |
| 25.000 | 13.970 |
| 26.000 | 14.529 |
| 27.000 | 15.088 |
| 28.000 | 15.646 |
| 29.000 | 16.205 |
| 30.000 | 16.764 |
| 31.000 | 17.323 |
| 32.000 | 17.882 |
| 33.000 | 18.440 |
| 34.000 | 18.999 |
| 35.000 | 19.558 |
| 36.000 | 20.117 |
| 37.000 | 20.676 |
| 38.000 | 21.234 |
| 39.000 | 21.793 |
| mph | Bft 1 |
|---|---|
| 40.000 | 22.352 |
| 41.000 | 22.911 |
| 42.000 | 23.470 |
| 43.000 | 24.028 |
| 44.000 | 24.587 |
| 45.000 | 25.146 |
| 46.000 | 25.705 |
| 47.000 | 26.264 |
| 48.000 | 26.822 |
| 49.000 | 27.381 |
| 50.000 | 27.940 |
| 51.000 | 28.499 |
| 52.000 | 29.058 |
| 53.000 | 29.616 |
| 54.000 | 30.175 |
| 55.000 | 30.734 |
| 56.000 | 31.293 |
| 57.000 | 31.852 |
| 58.000 | 32.410 |
| 59.000 | 32.969 |
| mph | Bft 1 |
|---|---|
| 60.000 | 33.528 |
| 61.000 | 34.087 |
| 62.000 | 34.646 |
| 63.000 | 35.204 |
| 64.000 | 35.763 |
| 65.000 | 36.322 |
| 66.000 | 36.881 |
| 67.000 | 37.440 |
| 68.000 | 37.998 |
| 69.000 | 38.557 |
| 70.000 | 39.116 |
| 71.000 | 39.675 |
| 72.000 | 40.234 |
| 73.000 | 40.792 |
| 74.000 | 41.351 |
| 75.000 | 41.910 |
| 76.000 | 42.469 |
| 77.000 | 43.028 |
| 78.000 | 43.586 |
| 79.000 | 44.145 |
Miles per Hour to Beaufort 1 (Light Air) Conversion
Converting Miles per Hour (mph) to Beaufort 1 (Light Air) (Bft 1) is a common speed conversion. 1 mph equals 0.5588 Bft 1. For example, 100 mph is equal to 55.88 Bft 1.
Quick Reference Values
1 mph = 0.5588 Bft 1. 5 mph = 2.794 Bft 1. 10 mph = 5.588 Bft 1. 25 mph = 13.97 Bft 1. 50 mph = 27.94 Bft 1. 100 mph = 55.88 Bft 1.
What is Miles per Hour?
Miles per Hour (mph) is a unit of speed. Miles per hour measure speed as miles traveled in one hour. One mile equals 1,609.344 meters, so 1 mph equals approximately 0.44704 meters per second [bipm-si-brochure]. This unit is widely used for vehicle speed and speed limits in non-metric countries. Miles per hour originated from the mile and hour units standardized in the British Imperial system. It became common in transportation with the rise of automobiles and was internationally recognized with the mile's 1959 definition [bipm-si-brochure]. The USA, United Kingdom, and several Commonwealth nations use mph for road speed limits and vehicle speeds. It remains standard in aviation and motorsports within these countries, despite metrication efforts [nist-sp-811].
What is Beaufort 1 (Light Air)?
Beaufort 1 (Light Air) (Bft 1) is a unit of speed. Beaufort 1 represents a light air wind speed ranging from 1 to 3 knots (0.5 to 1.5 m/s). It corresponds to slight wind felt on the face and leaves rustling. The Beaufort scale is an empirical measure of wind speed based on observed sea or land conditions [nist-si-guide]. The Beaufort scale was developed in 1805 by Sir Francis Beaufort of the British Royal Navy to standardize wind force descriptions. The scale was later extended and formalized for meteorological use in the 20th century [nist-si-guide]. The scale is used globally by meteorological services and mariners to estimate wind conditions without instruments. Beaufort 1 remains a key reference in weather forecasting and sailing, especially in Europe and North America [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: miles per hour, mile per hour, mi/h, mphs, beaufort one, beaufort-01, boefort 1. All of these refer to the Miles per Hour to Beaufort 1 (Light Air) conversion.