Feet per Second to Knots (ft/s → kn)
Formula
1 ft/s = 0.5924843131613937 knConversion Table
| ft/s | kn |
|---|---|
| 0 | 0 |
| 1.0000 | 0.59248 |
| 2.0000 | 1.1850 |
| 3.0000 | 1.7775 |
| 4.0000 | 2.3699 |
| 5.0000 | 2.9624 |
| 6.0000 | 3.5549 |
| 7.0000 | 4.1474 |
| 8.0000 | 4.7399 |
| 9.0000 | 5.3324 |
| 10.000 | 5.9248 |
| 11.000 | 6.5173 |
| 12.000 | 7.1098 |
| 13.000 | 7.7023 |
| 14.000 | 8.2948 |
| 15.000 | 8.8873 |
| 16.000 | 9.4797 |
| 17.000 | 10.072 |
| 18.000 | 10.665 |
| 19.000 | 11.257 |
| ft/s | kn |
|---|---|
| 20.000 | 11.850 |
| 21.000 | 12.442 |
| 22.000 | 13.035 |
| 23.000 | 13.627 |
| 24.000 | 14.220 |
| 25.000 | 14.812 |
| 26.000 | 15.405 |
| 27.000 | 15.997 |
| 28.000 | 16.590 |
| 29.000 | 17.182 |
| 30.000 | 17.775 |
| 31.000 | 18.367 |
| 32.000 | 18.959 |
| 33.000 | 19.552 |
| 34.000 | 20.144 |
| 35.000 | 20.737 |
| 36.000 | 21.329 |
| 37.000 | 21.922 |
| 38.000 | 22.514 |
| 39.000 | 23.107 |
| ft/s | kn |
|---|---|
| 40.000 | 23.699 |
| 41.000 | 24.292 |
| 42.000 | 24.884 |
| 43.000 | 25.477 |
| 44.000 | 26.069 |
| 45.000 | 26.662 |
| 46.000 | 27.254 |
| 47.000 | 27.847 |
| 48.000 | 28.439 |
| 49.000 | 29.032 |
| 50.000 | 29.624 |
| 51.000 | 30.217 |
| 52.000 | 30.809 |
| 53.000 | 31.402 |
| 54.000 | 31.994 |
| 55.000 | 32.587 |
| 56.000 | 33.179 |
| 57.000 | 33.772 |
| 58.000 | 34.364 |
| 59.000 | 34.957 |
| ft/s | kn |
|---|---|
| 60.000 | 35.549 |
| 61.000 | 36.142 |
| 62.000 | 36.734 |
| 63.000 | 37.327 |
| 64.000 | 37.919 |
| 65.000 | 38.511 |
| 66.000 | 39.104 |
| 67.000 | 39.696 |
| 68.000 | 40.289 |
| 69.000 | 40.881 |
| 70.000 | 41.474 |
| 71.000 | 42.066 |
| 72.000 | 42.659 |
| 73.000 | 43.251 |
| 74.000 | 43.844 |
| 75.000 | 44.436 |
| 76.000 | 45.029 |
| 77.000 | 45.621 |
| 78.000 | 46.214 |
| 79.000 | 46.806 |
Feet per Second to Knots Conversion
Converting Feet per Second (ft/s) to Knots (kn) is a common speed conversion. 1 ft/s equals 0.592484 kn. For example, 100 ft/s is equal to 59.248431 kn.
Quick Mental Math: Feet per Second to Knots
Divide feet-per-second by approximately 1.69 to convert to knots.
Why is converting Feet per Second to Knots tricky?
The non-integer divisor 1.69 requires careful mental arithmetic.
Quick Reference Values
1 ft/s = 0.592484 kn. 5 ft/s = 2.962422 kn. 10 ft/s = 5.924843 kn. 25 ft/s = 14.812108 kn. 50 ft/s = 29.624216 kn. 100 ft/s = 59.248431 kn.
What is Feet per Second?
Feet per Second (ft/s) is a unit of speed. Feet-per-second measures speed as feet traveled in one second. It converts to meters per second by multiplying feet by 0.3048. This unit is common in physics, ballistics, and engineering to express rapid velocities [iso-80000]. Feet-per-second became standardized with the development of modern physics and engineering in the late 19th and early 20th centuries. It was adopted for precise, short-interval velocity measurements in the imperial system [nist-si-guide]. Feet-per-second is widely used in the United States for projectile speeds, fluid flow velocities, and mechanical motion. It is less frequent outside imperial system countries, where meters per second is preferred [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: feet per second, ft per second, feet/sec, fps, knotz, knotses, knotss, knotts. All of these refer to the Feet per Second to Knots conversion.