Inches of Mercury to Bars Converter
1 inch of mercury = 0.0338638896 bars
1 inch of mercury equals 0.0338639 bars
How to convert inches of mercury to bars
Unit conversion preserves the pressure reference. Gauge pressure and absolute pressure are different readings; changing between them also needs the ambient pressure. Mercury and water-column units use the conventions stated in their unit notes.
bar = inHg × 0.0338638896One inch of mercury is 0.0338638896 bars, so a single multiplication converts any value.
0.338639 bar ≈ 10 × 0.0338638896Inches of mercury to bars conversion table
Common values in inches of mercury, converted to bars.
| Inches of mercury (inHg) | Bars (bar) |
|---|---|
| 1 | 0.03386389 |
| 2 | 0.067727779 |
| 3 | 0.10159167 |
| 4 | 0.13545556 |
| 5 | 0.16931945 |
| 10 | 0.3386389 |
| 20 | 0.67727779 |
| 25 | 0.84659724 |
| 50 | 1.6931945 |
| 100 | 3.386389 |
| 250 | 8.4659724 |
| 500 | 16.931945 |
| 1,000 | 33.86389 |
About these units
inch of mercuryinHg
Exactly 25.4 mmHg. The US aviation and weather-report pressure unit.
barbar
Exactly 100,000 pascals, close to average atmospheric pressure at sea level.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.