CFIBastian

Flight computer

E6B Calculator

Work through common atmosphere, airspeed, wind, and heading calculations in one place.

Atmosphere

Altitude & airspeed

True airspeed uses the common 2% per 1,000 feet approximation and is intended for planning practice.

Pressure altitude3,000 ft
Density altitude3,950 ft
ISA temperature9.1°C
Estimated TAS108 ktApproximate

Wind triangle

Heading & groundspeed

Enter charted variation or calculate an estimate by location below.

True heading098°T
Magnetic heading109°M
Groundspeed107 kt

Wind correction8.0° right

Headwind / tailwind0 kt

Crosswind15 kt from right

WMM2025 helper

Estimate magnetic variation

2025–2029

Use coordinates, your device location, or the optional city search. The magnetic model runs locally after a location is selected.

Martin State Airport area11.1° W

WMM2025 estimate for today