KM/H to Mach Converter

Convert speed from Kilometers per Hour to Mach number instantly

Formula: Mach = km/h ÷ 1,234.8 (at sea level, 20°C)

Quick Conversions

500 km/h = Mach 0.4
900 km/h = Mach 0.73
1000 km/h = Mach 0.81
1234.8 km/h = Mach 1
1500 km/h = Mach 1.21
2000 km/h = Mach 1.62
3000 km/h = Mach 2.43
5000 km/h = Mach 4.05

KM/H to Mach Conversion Table

KM/HMachCommon Use
8500.69Passenger jet cruise
10000.81Fast commercial jet
1234.81.00Speed of sound
15001.21Supersonic fighter
21801.77Concorde cruise
35302.86SR-71 Blackbird
61745.00Hypersonic vehicle
1235010.00Experimental aircraft

Related Conversions

Mach → KM/H KM/H → MPH KM/H → M/S All Speed