Convert Nautical Miles per Minute to Kilometres per Second
Convert Nautical Miles per Minute (nmi/min) to Kilometres per Second (km/s) instantly and accurately.
Conversion Formula
km/s = nmi/min × 0.03086666667
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.
About Kilometres per Second
A kilometre per second (km/s) = 1,000 m/s - the scale of orbital mechanics and hypervelocity. ISS orbital speed ≈ 7.66 km/s; Earth escape velocity 11.186 km/s. Voyager 1 travels ~17 km/s relative to the Sun. Meteoroids enter Earth's atmosphere at 11-72 km/s; solar wind 400-800 km/s. High-explosive detonation fronts propagate at 6.9-8.8 km/s. 1 km/s = 3,600 km/h = 2,236.9 mph.
Quick Reference Table
| Nautical Miles per Minute (nmi/min) | Kilometres per Second (km/s) |
|---|---|
| 1 nmi/min | 0.0308667 km/s |
| 2 nmi/min | 0.0617333 km/s |
| 5 nmi/min | 0.154333 km/s |
| 10 nmi/min | 0.308667 km/s |
| 25 nmi/min | 0.771667 km/s |
| 50 nmi/min | 1.54333 km/s |
| 100 nmi/min | 3.08667 km/s |