Table Of Contents
Inch of mercury to pascals Conversion
1 inch of mercury (inHg) is equal to 3386.38864 pascals (Pa).
1 inHg = 3386.38864 Pa
or
1 Pa = 0.000295299833 inHg
Formula
To convert a pressure from inch of mercury (inHg) to pascals (Pa), multiply the pressure in inch of mercury by 3386.38864
p(Pa) = p(inHg) × 3386.38864
Examples:
Convert 5 inch of mercury to pascals:
p(Pa) = 5inHg × 3386.38864 = 16931.9432 Pa
Conversion table
| Inch of mercury (inHg) | Pascals (Pa) |
|---|---|
| 1 inHg | 3386.388640341 Pa |
| 2 inHg | 6772.777280682 Pa |
| 3 inHg | 10159.165921023 Pa |
| 5 inHg | 16931.943201705 Pa |
| 10 inHg | 33863.88640341 Pa |
| 20 inHg | 67727.77280682 Pa |
| 25 inHg | 84659.716008525 Pa |
| 50 inHg | 169319.43201705 Pa |
| 100 inHg | 338638.8640341 Pa |
| 250 inHg | 846597.16008525 Pa |
| 500 inHg | 1693194.3201705 Pa |
| 1000 inHg | 3386388.640341 Pa |
| Pascals (Pa) | Inch of mercury (inHg) |
|---|---|
| 1 Pa | 2.953e-4 inHg |
| 2 Pa | 5.906e-4 inHg |
| 3 Pa | 8.85899e-4 inHg |
| 5 Pa | 0.001476499 inHg |
| 10 Pa | 0.002952998 inHg |
| 20 Pa | 0.005905997 inHg |
| 25 Pa | 0.007382496 inHg |
| 50 Pa | 0.014764992 inHg |
| 100 Pa | 0.029529983 inHg |
| 250 Pa | 0.073824958 inHg |
| 500 Pa | 0.147649917 inHg |
| 1000 Pa | 0.295299833 inHg |
Frequently asked questions
How do I convert inch of mercury to pascals?
Multiply the value in inch of mercury by 3386.38864 to get the result in pascals. For example, 5 inHg × 3386.38864 = 16931.943201705 Pa.
How many pascals are in 1 inch of mercury?
1 inch of mercury (inHg) is equal to 3386.388640341 pascals (Pa).
How do I convert pascals back to inch of mercury?
Use the inverse operation: divide the value in pascals by 3386.38864 to get the result in inch of mercury.
How accurate is the inch of mercury to pascals conversion?
The converter multiplies by the conversion factor 3386.38864 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