Bars to Millimeters of Mercury Converter
1 bar ≈ 750.061505 millimeters of mercury
Almost identical to the torr, but defined separately. This uses conventional mmHg, not a temperature-specific mercury-column realization.
1 bar equals 750.062 millimeters of mercury
How to convert bars to millimeters of mercury
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.
mmHg = bar × 750.061505One bar is 750.061505 millimeters of mercury, so a single multiplication converts any value.
7,500.62 mmHg ≈ 10 × 750.061505Almost identical to the torr, but defined separately. This uses conventional mmHg, not a temperature-specific mercury-column realization.
Bars to millimeters of mercury conversion table
Common values in bars, converted to millimeters of mercury.
| Bars (bar) | Millimeters of mercury (mmHg) |
|---|---|
| 1 | 750.06151 |
| 2 | 1,500.123 |
| 3 | 2,250.1845 |
| 4 | 3,000.246 |
| 5 | 3,750.3075 |
| 10 | 7,500.6151 |
| 20 | 15,001.23 |
| 25 | 18,751.538 |
| 50 | 37,503.075 |
| 100 | 75,006.151 |
| 250 | 187,515.38 |
| 500 | 375,030.75 |
| 1,000 | 750,061.51 |
About these units
barbar
Exactly 100,000 pascals, close to average atmospheric pressure at sea level.
millimeter of mercurymmHg
The conventional millimetre of mercury: 133.3224 Pa, following the NIST SP 811 convention.
Reference: NIST Special Publication 811.
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.