Feet per Second to Speed of Sound (ft/s → Mach)
Formula
1 ft/s = 0.0008886297376093295 MachConversion Table
| ft/s | Mach |
|---|---|
| 0 | 0 |
| 1.0000 | 0.00088863 |
| 2.0000 | 0.0017773 |
| 3.0000 | 0.0026659 |
| 4.0000 | 0.0035545 |
| 5.0000 | 0.0044431 |
| 6.0000 | 0.0053318 |
| 7.0000 | 0.0062204 |
| 8.0000 | 0.0071090 |
| 9.0000 | 0.0079977 |
| 10.000 | 0.0088863 |
| 11.000 | 0.0097749 |
| 12.000 | 0.010664 |
| 13.000 | 0.011552 |
| 14.000 | 0.012441 |
| 15.000 | 0.013329 |
| 16.000 | 0.014218 |
| 17.000 | 0.015107 |
| 18.000 | 0.015995 |
| 19.000 | 0.016884 |
| ft/s | Mach |
|---|---|
| 20.000 | 0.017773 |
| 21.000 | 0.018661 |
| 22.000 | 0.019550 |
| 23.000 | 0.020438 |
| 24.000 | 0.021327 |
| 25.000 | 0.022216 |
| 26.000 | 0.023104 |
| 27.000 | 0.023993 |
| 28.000 | 0.024882 |
| 29.000 | 0.025770 |
| 30.000 | 0.026659 |
| 31.000 | 0.027548 |
| 32.000 | 0.028436 |
| 33.000 | 0.029325 |
| 34.000 | 0.030213 |
| 35.000 | 0.031102 |
| 36.000 | 0.031991 |
| 37.000 | 0.032879 |
| 38.000 | 0.033768 |
| 39.000 | 0.034657 |
| ft/s | Mach |
|---|---|
| 40.000 | 0.035545 |
| 41.000 | 0.036434 |
| 42.000 | 0.037322 |
| 43.000 | 0.038211 |
| 44.000 | 0.039100 |
| 45.000 | 0.039988 |
| 46.000 | 0.040877 |
| 47.000 | 0.041766 |
| 48.000 | 0.042654 |
| 49.000 | 0.043543 |
| 50.000 | 0.044431 |
| 51.000 | 0.045320 |
| 52.000 | 0.046209 |
| 53.000 | 0.047097 |
| 54.000 | 0.047986 |
| 55.000 | 0.048875 |
| 56.000 | 0.049763 |
| 57.000 | 0.050652 |
| 58.000 | 0.051541 |
| 59.000 | 0.052429 |
| ft/s | Mach |
|---|---|
| 60.000 | 0.053318 |
| 61.000 | 0.054206 |
| 62.000 | 0.055095 |
| 63.000 | 0.055984 |
| 64.000 | 0.056872 |
| 65.000 | 0.057761 |
| 66.000 | 0.058650 |
| 67.000 | 0.059538 |
| 68.000 | 0.060427 |
| 69.000 | 0.061315 |
| 70.000 | 0.062204 |
| 71.000 | 0.063093 |
| 72.000 | 0.063981 |
| 73.000 | 0.064870 |
| 74.000 | 0.065759 |
| 75.000 | 0.066647 |
| 76.000 | 0.067536 |
| 77.000 | 0.068424 |
| 78.000 | 0.069313 |
| 79.000 | 0.070202 |
Feet per Second to Speed of Sound Conversion
Converting Feet per Second (ft/s) to Speed of Sound (Mach) is a common speed conversion. 1 ft/s equals 0.000889 Mach. For example, 100 ft/s is equal to 0.088863 Mach.
Quick Reference Values
1 ft/s = 0.000889 Mach. 5 ft/s = 0.004443 Mach. 10 ft/s = 0.008886 Mach. 25 ft/s = 0.022216 Mach. 50 ft/s = 0.044431 Mach. 100 ft/s = 0.088863 Mach.
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 Speed of Sound?
Speed of Sound (Mach) is a unit of speed. The speed of sound is the distance traveled per unit time by a sound wave propagating through an elastic medium. In dry air at 20 °C, it is approximately 343 meters per second. This speed varies with temperature, humidity, and medium, but is standardized for reference conditions in acoustics and aerodynamics [iso-80000]. The speed of sound was first mathematically analyzed by Isaac Newton in the 17th century and later refined through experimental measurements. It became formally recognized in physics and engineering standards during the 20th century to aid in aviation and acoustic design [nist-cuu]. The speed of sound is used globally in fields such as meteorology, aerospace, and audio engineering. Aviation authorities and meteorological organizations rely on it to calculate sonic booms and sound propagation [iso-80000].
Common Misspellings
People often search for this conversion using these alternate spellings: feet per second, ft per second, feet/sec, fps, speed of sound, sound speed, speed-of-sound, speedof sound. All of these refer to the Feet per Second to Speed of Sound conversion.