Convert Knots to Miles per Hour -- Index -- Distance Travelled Based on Ground Speed
Mach speed = Airspeed / 60 Airspeed = Mach speed * 60
Miles flown per minute = Mach speed * 10 Mach speed = miles per minute * 10
example: 450 KIAS = ... Mach ? => 450 / 600 = .75 Mach .70 Mach = ... KIAS ? => 0.70 * 600 = 420 kts IAS
.75 Mach => 7.5 nm per minute 7.8 nm per minute => .78 Mach