Table Of Contents
Millibar to inch of mercury Conversion
1 millibar (mbar) is equal to 0.0295299833 inch of mercury (inHg).
1 mbar = 0.0295299833 inHg
or
1 inHg = 33.8638864 mbar
Formula
To convert a pressure from millibar (mbar) to inch of mercury (inHg), divide the pressure in millibar by 33.8638864
p(inHg) = p(mbar) / 33.8638864
Examples:
Convert 50 millibar to inch of mercury:
p(inHg) = 50mbar / 33.8638864 = 1.476499165 inHg
Conversion table
| Millibar (mbar) | Inch of mercury (inHg) |
|---|---|
| 1 mbar | 0.029529983 inHg |
| 2 mbar | 0.059059967 inHg |
| 3 mbar | 0.08858995 inHg |
| 5 mbar | 0.147649917 inHg |
| 10 mbar | 0.295299833 inHg |
| 20 mbar | 0.590599666 inHg |
| 25 mbar | 0.738249583 inHg |
| 50 mbar | 1.476499165 inHg |
| 100 mbar | 2.95299833 inHg |
| 250 mbar | 7.382495825 inHg |
| 500 mbar | 14.764991651 inHg |
| 1000 mbar | 29.529983301 inHg |
| Inch of mercury (inHg) | Millibar (mbar) |
|---|---|
| 1 inHg | 33.863886403 mbar |
| 2 inHg | 67.727772807 mbar |
| 3 inHg | 101.59165921 mbar |
| 5 inHg | 169.319432017 mbar |
| 10 inHg | 338.638864034 mbar |
| 20 inHg | 677.277728068 mbar |
| 25 inHg | 846.597160085 mbar |
| 50 inHg | 1693.194320171 mbar |
| 100 inHg | 3386.388640341 mbar |
| 250 inHg | 8465.971600853 mbar |
| 500 inHg | 16931.943201705 mbar |
| 1000 inHg | 33863.88640341 mbar |
Frequently asked questions
How do I convert millibar to inch of mercury?
Divide the value in millibar by 33.8638864 to get the result in inch of mercury. For example, 5 mbar ÷ 33.8638864 = 0.147649917 inHg.
How many inch of mercury are in 1 millibar?
1 millibar (mbar) is equal to 0.029529983 inch of mercury (inHg).
How do I convert inch of mercury back to millibar?
Use the inverse operation: multiply the value in inch of mercury by 33.8638864 to get the result in millibar.
How accurate is the millibar to inch of mercury conversion?
The converter multiplies by the conversion factor 33.8638864 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
