PSIG to PSIA Converter
Result
PSIG to PSIA calculator using the required reference or physical inputs.
Formula
- Convert gauge pressure to absolute pressure by adding the atmospheric reference pressure supplied by the user.
- The main inputs are Gauge pressure, Atmospheric pressure. Enter them in the units and format shown in the calculator.
- For unit conversions, the calculator applies the conversion relationship shown above and keeps source and target units consistent with the selected options.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: PSIG to PSIA
- Gauge pressure: 30 PSIG
- Atmospheric pressure: 14.6959487755 psi
At 30 PSIG and 14.6959487755 psi atmosphere, absolute pressure is about 44.69595 PSIA.
Sample result: Calculating…
Frequently asked questions
Why does this calculator need these inputs?
Convert gauge pressure to absolute pressure by adding the atmospheric reference pressure supplied by the user.
What does the PSIG to PSIA calculate?
PSIG to PSIA calculator using the required reference or physical inputs.
Which values should I enter?
Enter Gauge pressure, Atmospheric pressure using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: PSIA = PSIG + Atmospheric pressure (psi).
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.