Pascals to Millimeters of Mercury Converter
1 pascal ≈ 0.00750061505 millimeters of mercury
Almost identical to the torr, but defined separately. This uses conventional mmHg, not a temperature-specific mercury-column realization.
1 pascal equals 0.00750062 millimeters of mercury
How to convert pascals 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 = Pa ÷ 133.3224One millimeter of mercury corresponds to 133.3224 pascals, so divide by that figure. Displayed constants may be rounded; the converter uses the stored factor before rounding the result.
0.0750062 mmHg ≈ 10 ÷ 133.3224Almost identical to the torr, but defined separately. This uses conventional mmHg, not a temperature-specific mercury-column realization.
Pascals to millimeters of mercury conversion table
Common values in pascals, converted to millimeters of mercury.
| Pascals (Pa) | Millimeters of mercury (mmHg) |
|---|---|
| 1 | 0.0075006151 |
| 2 | 0.01500123 |
| 3 | 0.022501845 |
| 4 | 0.03000246 |
| 5 | 0.037503075 |
| 10 | 0.075006151 |
| 20 | 0.1500123 |
| 25 | 0.18751538 |
| 50 | 0.37503075 |
| 100 | 0.75006151 |
| 250 | 1.8751538 |
| 500 | 3.7503075 |
| 1,000 | 7.5006151 |
About these units
pascalPa
The SI derived unit of pressure: one newton per square metre.
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.