Miles per Hour to Hectometers per Second (mph → hm/s)
Formula
1 mph = 0.0044704 hm/sConversion Table
| mph | hm/s |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0044704 |
| 2.0000 | 0.0089408 |
| 3.0000 | 0.013411 |
| 4.0000 | 0.017882 |
| 5.0000 | 0.022352 |
| 6.0000 | 0.026822 |
| 7.0000 | 0.031293 |
| 8.0000 | 0.035763 |
| 9.0000 | 0.040234 |
| 10.000 | 0.044704 |
| 11.000 | 0.049174 |
| 12.000 | 0.053645 |
| 13.000 | 0.058115 |
| 14.000 | 0.062586 |
| 15.000 | 0.067056 |
| 16.000 | 0.071526 |
| 17.000 | 0.075997 |
| 18.000 | 0.080467 |
| 19.000 | 0.084938 |
| mph | hm/s |
|---|---|
| 20.000 | 0.089408 |
| 21.000 | 0.093878 |
| 22.000 | 0.098349 |
| 23.000 | 0.10282 |
| 24.000 | 0.10729 |
| 25.000 | 0.11176 |
| 26.000 | 0.11623 |
| 27.000 | 0.12070 |
| 28.000 | 0.12517 |
| 29.000 | 0.12964 |
| 30.000 | 0.13411 |
| 31.000 | 0.13858 |
| 32.000 | 0.14305 |
| 33.000 | 0.14752 |
| 34.000 | 0.15199 |
| 35.000 | 0.15646 |
| 36.000 | 0.16093 |
| 37.000 | 0.16540 |
| 38.000 | 0.16988 |
| 39.000 | 0.17435 |
| mph | hm/s |
|---|---|
| 40.000 | 0.17882 |
| 41.000 | 0.18329 |
| 42.000 | 0.18776 |
| 43.000 | 0.19223 |
| 44.000 | 0.19670 |
| 45.000 | 0.20117 |
| 46.000 | 0.20564 |
| 47.000 | 0.21011 |
| 48.000 | 0.21458 |
| 49.000 | 0.21905 |
| 50.000 | 0.22352 |
| 51.000 | 0.22799 |
| 52.000 | 0.23246 |
| 53.000 | 0.23693 |
| 54.000 | 0.24140 |
| 55.000 | 0.24587 |
| 56.000 | 0.25034 |
| 57.000 | 0.25481 |
| 58.000 | 0.25928 |
| 59.000 | 0.26375 |
| mph | hm/s |
|---|---|
| 60.000 | 0.26822 |
| 61.000 | 0.27269 |
| 62.000 | 0.27716 |
| 63.000 | 0.28164 |
| 64.000 | 0.28611 |
| 65.000 | 0.29058 |
| 66.000 | 0.29505 |
| 67.000 | 0.29952 |
| 68.000 | 0.30399 |
| 69.000 | 0.30846 |
| 70.000 | 0.31293 |
| 71.000 | 0.31740 |
| 72.000 | 0.32187 |
| 73.000 | 0.32634 |
| 74.000 | 0.33081 |
| 75.000 | 0.33528 |
| 76.000 | 0.33975 |
| 77.000 | 0.34422 |
| 78.000 | 0.34869 |
| 79.000 | 0.35316 |
Miles per Hour to Hectometers per Second Conversion
Converting Miles per Hour (mph) to Hectometers per Second (hm/s) is a common speed conversion. 1 mph equals 0.00447 hm/s. For example, 100 mph is equal to 0.44704 hm/s.
Quick Reference Values
1 mph = 0.00447 hm/s. 5 mph = 0.022352 hm/s. 10 mph = 0.044704 hm/s. 25 mph = 0.11176 hm/s. 50 mph = 0.22352 hm/s. 100 mph = 0.44704 hm/s.
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 Hectometers per Second?
Hectometers per Second (hm/s) is a unit of speed. Hectometers per second is a unit of speed equal to 100 meters per second, derived by dividing length in hectometers by time in seconds. It uses the SI prefix 'hecto-' combined with the base unit meter per second [bipm-si-brochure]. This unit arose from the SI system's use of prefixes to express multiples of base units for speed. It follows metric conventions established by BIPM to represent velocity in larger-scale measurements [bipm-si-brochure]. Hectometers per second are uncommon in everyday or scientific practice, where meters per second and kilometers per hour dominate. It may appear in specialized fields requiring intermediate speed units [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: miles per hour, mile per hour, mi/h, mphs, hecto meters per second, hectometer per second, hectameter per second, hectometres per second, hm per sec. All of these refer to the Miles per Hour to Hectometers per Second conversion.