IAS / TAS / MACH
Convert between indicated airspeed, true airspeed, and Mach number
Input mode
kts
ft
degC
ISA: -54.3C at this altitude
Results
IAS280kts
TAS503kts
Mach0.873
Speed of sound576kts
TAS equals IAS at sea level standard conditions. At FL350 (35,000 ft) a typical IAS of 280 kts is roughly 480 kts TAS.