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Conversion Tools

Pressure Altitude Converter

Calculate pressure altitude from altimeter settings or station pressure.

Last validated: 2026-02-14

Pressure Altitude Converter computes pressure altitude for aviation and weather workflows from either altimeter-setting method or station-pressure method. It is useful for preflight planning, performance calculations, and weather interpretation where altitude referenced to standard pressure matters. The tool returns pressure altitude in feet and meters plus approximate flight level. This gives a quick operational value without manual formulas in the cockpit or briefing workflow. Use it as a planning aid and verify against your approved flight references.

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Input Pattern

Enter values in the left panel, keep units explicit, run the calculation, then copy or share the result. Invalid fields are highlighted immediately.

Pressure Altitude Converter

Result

Pressure altitude: 500 ft

Pressure altitude: 152.4 m

Approx flight level: FL5

How to use this tool

Choose mode: `Field elevation + altimeter` or `Station pressure`.
Enter the required values and click `Calculate`.
Use pressure altitude output (ft/m and FL) in planning/performance checks.

Worked Example

Auto-generated from the tool's current default or entered inputs.

Example Inputs

Mode: altimeter
Field elevation ft: 500.0
Altimeter inhg: 29.92
Station pressure hpa: 1013.25
Pressure altitude ft: 500.0
Pressure altitude m: 152.4
Flight level: 5

Expected Outputs

Field elevation ft: 500
Altimeter inhg: 29.92
Station pressure hpa: 1013.25
Pressure altitude ft: 500

Interpretation

Field elevation ft is 500.0. Use this as a decision input, not as a standalone conclusion.
Altimeter inhg is 29.92. Use this as a decision input, not as a standalone conclusion.
Station pressure hpa is 1013.25. Use this as a decision input, not as a standalone conclusion.
Cross-check the result against one alternate input set to validate sensitivity.

Scenario Compare (A vs B)

Use this to compare two input sets and quantify change in key outputs.

Scenario A

Mode

Field elevation ft

Altimeter inhg

Station pressure hpa

Pressure altitude ft

Pressure altitude m

Flight level

Scenario B

Mode

Field elevation ft

Altimeter inhg

Station pressure hpa

Pressure altitude ft

Pressure altitude m

Flight level

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