Convert Kilometres per Hour to Nautical Miles per Minute
Convert Kilometres per Hour (km/h) to Nautical Miles per Minute (nmi/min) instantly and accurately.
Conversion Formula
nmi/min = km/h × 0.008999280058
About Kilometres per Hour
A kilometre per hour (km/h) = 1/3.6 m/s - the universal road speed unit across most of the world. Walking pace ~5-6 km/h; jogging 9-12 km/h; elite marathon runners average 20-21 km/h. High-speed rail (TGV, Shinkansen, ICE) 250-350 km/h; TGV record 574.8 km/h. Category 5 hurricane ≥252 km/h; Thrust SSC land speed record 1,228 km/h (Mach 1.02). 1 km/h = 0.2778 m/s = 0.6214 mph = 0.5400 kn.
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
| Kilometres per Hour (km/h) | Nautical Miles per Minute (nmi/min) |
|---|---|
| 1 km/h | 0.00899928 nmi/min |
| 2 km/h | 0.0179986 nmi/min |
| 5 km/h | 0.0449964 nmi/min |
| 10 km/h | 0.0899928 nmi/min |
| 25 km/h | 0.224982 nmi/min |
| 50 km/h | 0.449964 nmi/min |
| 100 km/h | 0.899928 nmi/min |