Knots to Kilometers per Second (kn → km/s)
Formula
1 kn = 0.000514444 km/sConversion Table
| kn | km/s |
|---|---|
| 0 | 0 |
| 1.0000 | 0.00051444 |
| 2.0000 | 0.0010289 |
| 3.0000 | 0.0015433 |
| 4.0000 | 0.0020578 |
| 5.0000 | 0.0025722 |
| 6.0000 | 0.0030867 |
| 7.0000 | 0.0036011 |
| 8.0000 | 0.0041156 |
| 9.0000 | 0.0046300 |
| 10.000 | 0.0051444 |
| 11.000 | 0.0056589 |
| 12.000 | 0.0061733 |
| 13.000 | 0.0066878 |
| 14.000 | 0.0072022 |
| 15.000 | 0.0077167 |
| 16.000 | 0.0082311 |
| 17.000 | 0.0087455 |
| 18.000 | 0.0092600 |
| 19.000 | 0.0097744 |
| kn | km/s |
|---|---|
| 20.000 | 0.010289 |
| 21.000 | 0.010803 |
| 22.000 | 0.011318 |
| 23.000 | 0.011832 |
| 24.000 | 0.012347 |
| 25.000 | 0.012861 |
| 26.000 | 0.013376 |
| 27.000 | 0.013890 |
| 28.000 | 0.014404 |
| 29.000 | 0.014919 |
| 30.000 | 0.015433 |
| 31.000 | 0.015948 |
| 32.000 | 0.016462 |
| 33.000 | 0.016977 |
| 34.000 | 0.017491 |
| 35.000 | 0.018006 |
| 36.000 | 0.018520 |
| 37.000 | 0.019034 |
| 38.000 | 0.019549 |
| 39.000 | 0.020063 |
| kn | km/s |
|---|---|
| 40.000 | 0.020578 |
| 41.000 | 0.021092 |
| 42.000 | 0.021607 |
| 43.000 | 0.022121 |
| 44.000 | 0.022636 |
| 45.000 | 0.023150 |
| 46.000 | 0.023664 |
| 47.000 | 0.024179 |
| 48.000 | 0.024693 |
| 49.000 | 0.025208 |
| 50.000 | 0.025722 |
| 51.000 | 0.026237 |
| 52.000 | 0.026751 |
| 53.000 | 0.027266 |
| 54.000 | 0.027780 |
| 55.000 | 0.028294 |
| 56.000 | 0.028809 |
| 57.000 | 0.029323 |
| 58.000 | 0.029838 |
| 59.000 | 0.030352 |
| kn | km/s |
|---|---|
| 60.000 | 0.030867 |
| 61.000 | 0.031381 |
| 62.000 | 0.031896 |
| 63.000 | 0.032410 |
| 64.000 | 0.032924 |
| 65.000 | 0.033439 |
| 66.000 | 0.033953 |
| 67.000 | 0.034468 |
| 68.000 | 0.034982 |
| 69.000 | 0.035497 |
| 70.000 | 0.036011 |
| 71.000 | 0.036526 |
| 72.000 | 0.037040 |
| 73.000 | 0.037554 |
| 74.000 | 0.038069 |
| 75.000 | 0.038583 |
| 76.000 | 0.039098 |
| 77.000 | 0.039612 |
| 78.000 | 0.040127 |
| 79.000 | 0.040641 |
Knots to Kilometers per Second Conversion
Converting Knots (kn) to Kilometers per Second (km/s) is a common speed conversion. 1 kn equals 0.000514 km/s. For example, 100 kn is equal to 0.051444 km/s.
Quick Mental Math: Knots to Kilometers per Second
Multiply knots by 0.514 to estimate m/s.
Why is converting Knots to Kilometers per Second tricky?
Nautical knots are only used in maritime and aviation; unfamiliar to land-based users.
Quick Reference Values
1 kn = 0.000514 km/s. 5 kn = 0.002572 km/s. 10 kn = 0.005144 km/s. 25 kn = 0.012861 km/s. 50 kn = 0.025722 km/s. 100 kn = 0.051444 km/s.
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].
What is Kilometers per Second?
Kilometers per Second (km/s) is a unit of speed. Kilometers per second (km/s) measures speed as kilometers traveled in one second. It is a high-velocity unit commonly used in astrophysics and orbital mechanics. One km/s equals 1000 meters per second, the SI base unit for velocity [bipm-si-brochure]. Kilometers per second gained prominence with the study of celestial motion and spacecraft velocities during the 20th century. It is formally recognized by the SI system to handle extreme speeds beyond terrestrial transport [bipm-si-brochure]. This unit is standard in space science, satellite tracking, and astrophysics worldwide. Agencies like NASA and ESA report spacecraft velocities in km/s, and it is used in scientific literature globally [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: knotz, knotses, knotss, knotts, kilometer per second, km per second, km/sec, kps. All of these refer to the Knots to Kilometers per Second conversion.