Knots to Millimeters per Second (kn → mm/s)
Formula
1 kn = 514.444 mm/sConversion Table
| kn | mm/s |
|---|---|
| 0 | 0 |
| 1.0000 | 514.44 |
| 2.0000 | 1,028.9 |
| 3.0000 | 1,543.3 |
| 4.0000 | 2,057.8 |
| 5.0000 | 2,572.2 |
| 6.0000 | 3,086.7 |
| 7.0000 | 3,601.1 |
| 8.0000 | 4,115.6 |
| 9.0000 | 4,630.0 |
| 10.000 | 5,144.4 |
| 11.000 | 5,658.9 |
| 12.000 | 6,173.3 |
| 13.000 | 6,687.8 |
| 14.000 | 7,202.2 |
| 15.000 | 7,716.7 |
| 16.000 | 8,231.1 |
| 17.000 | 8,745.5 |
| 18.000 | 9,260.0 |
| 19.000 | 9,774.4 |
| kn | mm/s |
|---|---|
| 20.000 | 10,289 |
| 21.000 | 10,803 |
| 22.000 | 11,318 |
| 23.000 | 11,832 |
| 24.000 | 12,347 |
| 25.000 | 12,861 |
| 26.000 | 13,376 |
| 27.000 | 13,890 |
| 28.000 | 14,404 |
| 29.000 | 14,919 |
| 30.000 | 15,433 |
| 31.000 | 15,948 |
| 32.000 | 16,462 |
| 33.000 | 16,977 |
| 34.000 | 17,491 |
| 35.000 | 18,006 |
| 36.000 | 18,520 |
| 37.000 | 19,034 |
| 38.000 | 19,549 |
| 39.000 | 20,063 |
| kn | mm/s |
|---|---|
| 40.000 | 20,578 |
| 41.000 | 21,092 |
| 42.000 | 21,607 |
| 43.000 | 22,121 |
| 44.000 | 22,636 |
| 45.000 | 23,150 |
| 46.000 | 23,664 |
| 47.000 | 24,179 |
| 48.000 | 24,693 |
| 49.000 | 25,208 |
| 50.000 | 25,722 |
| 51.000 | 26,237 |
| 52.000 | 26,751 |
| 53.000 | 27,266 |
| 54.000 | 27,780 |
| 55.000 | 28,294 |
| 56.000 | 28,809 |
| 57.000 | 29,323 |
| 58.000 | 29,838 |
| 59.000 | 30,352 |
| kn | mm/s |
|---|---|
| 60.000 | 30,867 |
| 61.000 | 31,381 |
| 62.000 | 31,896 |
| 63.000 | 32,410 |
| 64.000 | 32,924 |
| 65.000 | 33,439 |
| 66.000 | 33,953 |
| 67.000 | 34,468 |
| 68.000 | 34,982 |
| 69.000 | 35,497 |
| 70.000 | 36,011 |
| 71.000 | 36,526 |
| 72.000 | 37,040 |
| 73.000 | 37,554 |
| 74.000 | 38,069 |
| 75.000 | 38,583 |
| 76.000 | 39,098 |
| 77.000 | 39,612 |
| 78.000 | 40,127 |
| 79.000 | 40,641 |
Knots to Millimeters per Second Conversion
Converting Knots (kn) to Millimeters per Second (mm/s) is a common speed conversion. 1 kn equals 514.444 mm/s. For example, 100 kn is equal to 51,444.4 mm/s.
Quick Mental Math: Knots to Millimeters per Second
Multiply knots by 0.514 to estimate m/s.
Why is converting Knots to Millimeters per Second tricky?
Nautical knots are only used in maritime and aviation; unfamiliar to land-based users.
Quick Reference Values
1 kn = 514.444 mm/s. 5 kn = 2,572.22 mm/s. 10 kn = 5,144.44 mm/s. 25 kn = 12,861.1 mm/s. 50 kn = 25,722.2 mm/s. 100 kn = 51,444.4 mm/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 Millimeters per Second?
Millimeters per Second (mm/s) is a unit of speed. Millimeters per second (mm/s) measure linear velocity, indicating the distance in millimeters traveled in one second. It converts directly to meters per second by dividing by 1000, as 1 mm equals 0.001 m. This unit is widely used for precise speed measurements in engineering and manufacturing contexts [nist-si-guide]. The millimeter was formally adopted as part of the metric system in the late 18th century. Expressing speed in millimeters per second emerged alongside industrial precision measurement needs in the 19th and 20th centuries [bipm-si-brochure]. Millimeters per second are common in mechanical engineering, machining, and robotics worldwide, especially in countries using the metric system such as those in Europe and Asia. International standards, including ISO 80000, recognize it for velocity measurements [iso-80000].
Common Misspellings
People often search for this conversion using these alternate spellings: knotz, knotses, knotss, knotts, millimeters per second, millimeter per second, mm per sec, mmps, milimeters per second. All of these refer to the Knots to Millimeters per Second conversion.