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Bar Gauge to PSIG Converter — result sheet
Convert a gauge pressure in bar to psig, absolute psi, and gauge kilopascals using an explicit atmospheric-pressure setting.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Absolute pressure (bar) = gauge pressure (bar) + atmospheric pressure (bar); psig = gauge bar × 14.5037738; absolute psi = absolute bar × 14.5037738.
Gauge pressure is measured relative to the surrounding atmosphere, while absolute pressure is measured from a vacuum reference. The atmosphere input is explicit because local altitude and weather can shift the conversion from gauge to absolute pressure.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Gauge pressure — bar(g); minimum -1.01325; maximum 100000
- Atmospheric pressure — bar(abs); minimum 0.5; maximum 1.2
Worked example
| Input | Value |
|---|---|
| Gauge pressure | 2 |
| Atmospheric pressure | 1.01325 |
29.0075 psig; 43.7105 psi absolute
Assumptions and limits
- The gauge pressure can be negative but cannot imply an absolute pressure below zero.
- The selected atmospheric pressure is an absolute bar value for the same measurement location and time.
- PSIG means pounds per square inch gauge; the result is not a live pressure reading or safety rating.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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