EAI WebApp v3.0
Weather/ NOTAMs & E6B Tools

TAS Calculations

Start with calculating your True Air Speed (TAS) from Indicated Air Speed (IAS), your Altitude, local QNH and OAT.

True Air Speed
Altitude (MSL) Feet
QNH inHg hPa
Temp (OAT) °F °C
True Air Speed Kts


Below an air speed indicator capable of showing IAS and TAS.

True Air Speed Indicator

Become our Patron