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Pressure
Pascals to InHg
Convert pascals (Pa) to inHg (inHg). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 Pa = 0.000295 inHg
Pascals to InHg Conversion Table
Common values, ready to copy:
| pascals | inHg |
|---|---|
| 1 Pa | 0.000295 inHg |
| 2 Pa | 0.000591 inHg |
| 5 Pa | 0.001476 inHg |
| 10 Pa | 0.002953 inHg |
| 25 Pa | 0.007382 inHg |
| 50 Pa | 0.014765 inHg |
| 100 Pa | 0.02953 inHg |
| 1,000 Pa | 0.2953 inHg |
Formula
inHg = pascals × 2.95299714e-4
Pressure is force per area. 1 atm = 101.325 kPa = 14.696 psi = 760 mmHg. Bar is a metric working unit close to atmospheric pressure (1 bar = 100 kPa).
About Pascals and InHg
Pascals (Pa): The SI unit of pressure, defined as one newton per square meter; named for Blaise Pascal, who established fundamental principles of fluid pressure in the 17th century. Common uses: Scientific work, weather (atmospheric pressure in hectopascals or kilopascals), and engineering specifications.
InHg (inHg): Inches of mercury, the imperial equivalent of mmHg; 1 inHg = 25.4 mmHg by definition. Common uses: US weather reports (atmospheric pressure in inches of mercury, standard sea-level pressure ≈ 29.92 inHg), US aviation altimeter settings, and some US vacuum-system contexts.
How the conversion works
Pressure is force per area. 1 atm = 101.325 kPa = 14.696 psi = 760 mmHg. Bar is a metric working unit close to atmospheric pressure (1 bar = 100 kPa).
The exact relationship is inHg = pascals × 2.95299714e-4, which the calculator at the top of this page applies in both directions. Type into either field and the other updates immediately.
When this conversion matters
Converting between pascals and inHg comes up wherever pressure measurements move between systems — from one country's conventions to another's, from a scientific reference to a practical specification, or from one industry's working unit to another's. The calculator and reference table above cover the everyday range; for unusual values you can type any number into either field.