Table Of Contents
Inch of mercury to gigapascal Conversion
1 inch of mercury (inHg) is equal to 0.00000338638864 gigapascal (GPa).
1 inHg = 0.00000338638864 GPa
or
1 GPa = 295299.833 inHg
Formula
To convert a pressure from inch of mercury (inHg) to gigapascal (GPa), divide the pressure in inch of mercury by 295299.833
p(GPa) = p(inHg) / 295299.833
Examples:
Convert 100 inch of mercury to gigapascal:
p(GPa) = 100inHg / 295299.833 = 0.000338638864 GPa
Conversion table
| Inch of mercury (inHg) | Gigapascal (GPa) |
|---|---|
| 1 inHg | 3.386389e-6 GPa |
| 2 inHg | 6.772777e-6 GPa |
| 3 inHg | 1.015917e-5 GPa |
| 5 inHg | 1.693194e-5 GPa |
| 10 inHg | 3.386389e-5 GPa |
| 20 inHg | 6.772777e-5 GPa |
| 25 inHg | 8.465972e-5 GPa |
| 50 inHg | 1.69319e-4 GPa |
| 100 inHg | 3.38639e-4 GPa |
| 250 inHg | 8.46597e-4 GPa |
| 500 inHg | 0.001693194 GPa |
| 1000 inHg | 0.003386389 GPa |
| Gigapascal (GPa) | Inch of mercury (inHg) |
|---|---|
| 1 GPa | 295299.833010101 inHg |
| 2 GPa | 590599.666020202 inHg |
| 3 GPa | 885899.499030303 inHg |
| 5 GPa | 1476499.165050505 inHg |
| 10 GPa | 2952998.33010101 inHg |
| 20 GPa | 5905996.660202019 inHg |
| 25 GPa | 7382495.825252524 inHg |
| 50 GPa | 1.4764991650505047e7 inHg |
| 100 GPa | 2.9529983301010095e7 inHg |
| 250 GPa | 7.382495825252523e7 inHg |
| 500 GPa | 1.4764991650505045e8 inHg |
| 1000 GPa | 2.952998330101009e8 inHg |
Frequently asked questions
How do I convert inch of mercury to gigapascal?
Divide the value in inch of mercury by 295299.833 to get the result in gigapascal. For example, 5 inHg ÷ 295299.833 = 1.693194e-5 GPa.
How many gigapascal are in 1 inch of mercury?
1 inch of mercury (inHg) is equal to 3.386389e-6 gigapascal (GPa).
How do I convert gigapascal back to inch of mercury?
Use the inverse operation: multiply the value in gigapascal by 295299.833 to get the result in inch of mercury.
How accurate is the inch of mercury to gigapascal conversion?
The converter multiplies by the conversion factor 295299.833 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- ISO 80000-4:2019 — Quantities and units — Part 4: Mechanics
- NIST Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically (NIST SP 811, 2008 edition)
- Resolution 4 of the 10th CGPM (1954): Definition of the standard atmosphere
