Pressure Altitude (Pressure altitude, ft)
Calculate Pressure Altitude instantly with the exact formula and a worked example.
Pressure Altitude
Field elevationft
Altimeter setting (QNH)inHg
Pressure altitude, ft
800ft
In meters
244m
Correction
-200ft
QNH in hPa
1020
More about: Pressure Altitude (Pressure altitude, ft)
What it calculates
The “Pressure Altitude (Pressure altitude, ft)” calculator computes Pressure altitude, ft in ft from 2 parameters: field elevation (ft), altimeter setting (qnh) (inHg).
Trip planning, distance and time calculations.
Example calculation
With parameters Field elevation = 1,000 ft, Altimeter setting (QNH) = 30.12 inHg the result is 800 ft.
How to use
- Enter field elevation and altimeter setting (qnh) — each field above is adjustable with a slider.
- Pressure altitude, ft (ft) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
Related calculators
FAQ
How is Pressure Altitude (Pressure altitude, ft) calculated?
The Pressure Altitude (Pressure altitude, ft) calculator computes Pressure altitude, ft (in ft) from field elevation, altimeter setting (qnh). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Pressure Altitude (Pressure altitude, ft) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
More calculators in this category
Explore related free tools