Convert Feet per Minute to Mach 1
Convert Feet per Minute (ft/min) to Mach 1 (Ma) instantly and accurately.
Conversion Formula
Ma = ft/min × 1.492844339e-5
About Feet per Minute
A foot per minute (ft/min) = 5.08 × 10⁻³ m/s - the US standard for elevator speed, HVAC duct velocity, and conveyor speed. Residential lifts: 100-200 ft/min; commercial 200-400 ft/min; skyscraper express lifts 1,000-3,000 ft/min (Burj Khalifa 2,953 ft/min). HVAC low-velocity ductwork: 500-1,000 ft/min; medium-velocity 1,000-2,200 ft/min. Paper machine Fourdrinier wires: 200-6,000 ft/min. 1 ft/min = 0.00508 m/s.
About Mach 1
Mach 1 = the speed of sound in dry air at ISA sea-level (15°C, 101.325 kPa) = exactly 340.29 m/s (1,225 km/h; 761 mph). Chuck Yeager first exceeded it on 14 October 1947 in the Bell X-1. At 35,000 ft cruise altitude (−56.5°C), it falls to 295.1 m/s. Flight regimes: subsonic
Quick Reference Table
| Feet per Minute (ft/min) | Mach 1 (Ma) |
|---|---|
| 1 ft/min | 1.493 × 10-5 Ma |
| 2 ft/min | 2.986 × 10-5 Ma |
| 5 ft/min | 7.464 × 10-5 Ma |
| 10 ft/min | 0.000149284 Ma |
| 25 ft/min | 0.000373211 Ma |
| 50 ft/min | 0.000746422 Ma |
| 100 ft/min | 0.00149284 Ma |