Convert Miles per Minute to Nautical Miles per Minute
Convert Miles per Minute (mi/min) to Nautical Miles per Minute (nmi/min) instantly and accurately.
Conversion Formula
nmi/min = mi/min × 0.8689762419
About Miles per Minute
A mile per minute (mi/min) = exactly 26.8224 m/s = 60 mph. The X-15 rocket plane flew at ~4.5 mi/min (Mach 6.7); the SR-71 Blackbird at ~2.1 mi/min (Mach 3.2). Speed of sound at sea level ≈ 0.77 mi/min. 'Mile-a-minute' (60 mph = 1 mi/min) was a historic railway milestone first achieved on the Great Western Railway in the 1840s. 1 mi/min = 96.5604 km/h.
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
| Miles per Minute (mi/min) | Nautical Miles per Minute (nmi/min) |
|---|---|
| 1 mi/min | 0.868976 nmi/min |
| 2 mi/min | 1.73795 nmi/min |
| 5 mi/min | 4.34488 nmi/min |
| 10 mi/min | 8.68976 nmi/min |
| 25 mi/min | 21.7244 nmi/min |
| 50 mi/min | 43.4488 nmi/min |
| 100 mi/min | 86.8976 nmi/min |