Convert Feet per Second to Nautical Miles per Minute
Convert Feet per Second (ft/s) to Nautical Miles per Minute (nmi/min) instantly and accurately.
Conversion Formula
nmi/min = ft/s × 0.009874730022
About Feet per Second
A foot per second (ft/s) = exactly 0.3048 m/s - the primary speed unit in US ballistics, hydraulics, and gas dynamics. .308 Winchester muzzle velocity ~2,750 ft/s; 9mm pistol 1,200-1,400 ft/s; .50 BMG 2,910 ft/s. Speed of sound at sea level 1,116 ft/s. River channel mean velocities 0.5-6 ft/s; NFPA sprinkler pipe flows also in ft/s. 1 ft/s = 0.3048 m/s = 1.09728 km/h = 60 ft/min.
About Nautical Miles per Minute
A nautical mile per minute (nmi/min) = 1,852/60 m/s ≈ 30.867 m/s = 60 knots. At 1 nmi/min, elapsed time in minutes equals distance in nautical miles - dead-reckoning made trivial. Mach 1 at sea level ≈ 1.1 nmi/min; Concorde at Mach 2.02 flew ~3 nmi/min. ATC radar separation standards use nmi and minutes as native units, making nmi/min the implicit reference. 1 nmi/min = 1,852 km/h = 60 kn.
Quick Reference Table
| Feet per Second (ft/s) | Nautical Miles per Minute (nmi/min) |
|---|---|
| 1 ft/s | 0.00987473 nmi/min |
| 2 ft/s | 0.0197495 nmi/min |
| 5 ft/s | 0.0493737 nmi/min |
| 10 ft/s | 0.0987473 nmi/min |
| 25 ft/s | 0.246868 nmi/min |
| 50 ft/s | 0.493737 nmi/min |
| 100 ft/s | 0.987473 nmi/min |