Table Of Contents
Inch of mercury to bars Conversion
1 inch of mercury (inHg) is equal to 0.0338638864 bars (bar).
1 inHg = 0.0338638864 bar
or
1 bar = 29.5299833 inHg
Formula
To convert a pressure from inch of mercury (inHg) to bars (bar), divide the pressure in inch of mercury by 29.5299833
p(bar) = p(inHg) / 29.5299833
Examples:
Convert 10 inch of mercury to bars:
p(bar) = 10inHg / 29.5299833 = 0.338638864 bar
Conversion table
| Inch of mercury (inHg) | Bars (bar) |
|---|---|
| 1 inHg | 0.033863886 bar |
| 2 inHg | 0.067727773 bar |
| 3 inHg | 0.101591659 bar |
| 5 inHg | 0.169319432 bar |
| 10 inHg | 0.338638864 bar |
| 20 inHg | 0.677277728 bar |
| 25 inHg | 0.84659716 bar |
| 50 inHg | 1.69319432 bar |
| 100 inHg | 3.38638864 bar |
| 250 inHg | 8.465971601 bar |
| 500 inHg | 16.931943202 bar |
| 1000 inHg | 33.863886403 bar |
| Bars (bar) | Inch of mercury (inHg) |
|---|---|
| 1 bar | 29.529983301 inHg |
| 2 bar | 59.059966602 inHg |
| 3 bar | 88.589949903 inHg |
| 5 bar | 147.649916505 inHg |
| 10 bar | 295.29983301 inHg |
| 20 bar | 590.59966602 inHg |
| 25 bar | 738.249582525 inHg |
| 50 bar | 1476.499165051 inHg |
| 100 bar | 2952.998330101 inHg |
| 250 bar | 7382.495825253 inHg |
| 500 bar | 14764.991650505 inHg |
| 1000 bar | 29529.98330101 inHg |
Frequently asked questions
How do I convert inch of mercury to bars?
Divide the value in inch of mercury by 29.5299833 to get the result in bars. For example, 5 inHg ÷ 29.5299833 = 0.169319432 bar.
How many bars are in 1 inch of mercury?
1 inch of mercury (inHg) is equal to 0.033863886 bars (bar).
How do I convert bars back to inch of mercury?
Use the inverse operation: multiply the value in bars by 29.5299833 to get the result in inch of mercury.
How accurate is the inch of mercury to bars conversion?
The converter multiplies by the conversion factor 29.5299833 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
