How to convert millimeters of mercury to pascals
Pa = mmHg × 133.3223874Multiply the value in millimeters of mercury by 133.3223874. To go the other way, multiply by 0.007500615758 (or divide by 133.3223874).
A millimeter of mercury is larger than a pascal: one millimeter of mercury contains 133.3223874 pascals.
Worked examples
- 1 millimeter of mercury1 mmHg × 133.3223874 = 133.3223874 Pa
- 5 millimeters of mercury5 mmHg × 133.3223874 = 666.6119371 Pa
- 10 millimeters of mercury10 mmHg × 133.3223874 = 1,333.223874 Pa
- 20 millimeters of mercury20 mmHg × 133.3223874 = 2,666.447748 Pa
- 100 millimeters of mercury100 mmHg × 133.3223874 = 13,332.23874 Pa
Millimeters of mercury to pascals conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Millimeters of mercury (mmHg) | Pascals (Pa) |
|---|---|
| 0.1 mmHg | 13.332239 Pa |
| 0.25 mmHg | 33.330597 Pa |
| 0.5 mmHg | 66.661194 Pa |
| 1 mmHg | 133.32239 Pa |
| 2 mmHg | 266.64477 Pa |
| 3 mmHg | 399.96716 Pa |
| 4 mmHg | 533.28955 Pa |
| 5 mmHg | 666.61194 Pa |
| 6 mmHg | 799.93432 Pa |
| 7 mmHg | 933.25671 Pa |
| 8 mmHg | 1,066.5791 Pa |
| 9 mmHg | 1,199.9015 Pa |
| 10 mmHg | 1,333.2239 Pa |
| Millimeters of mercury (mmHg) | Pascals (Pa) |
|---|---|
| 12 mmHg | 1,599.8686 Pa |
| 15 mmHg | 1,999.8358 Pa |
| 20 mmHg | 2,666.4477 Pa |
| 25 mmHg | 3,333.0597 Pa |
| 30 mmHg | 3,999.6716 Pa |
| 40 mmHg | 5,332.8955 Pa |
| 50 mmHg | 6,666.1194 Pa |
| 75 mmHg | 9,999.1791 Pa |
| 100 mmHg | 13,332.239 Pa |
| 250 mmHg | 33,330.597 Pa |
| 500 mmHg | 66,661.194 Pa |
| 1,000 mmHg | 133,322.39 Pa |
About the units
Millimeter of mercury (mmHg)
The conventional mmHg is 133.322387415 Pa. Blood pressure is measured in mmHg (e.g. 120/80).
Pascal (Pa)
One newton per square metre — a very small pressure. Atmospheric pressure is about 101,325 Pa.
Frequently asked questions
How many pascals are in one millimeter of mercury?
There are 133.3223874 pascals in one millimeter of mercury, and this value is exact by definition.
How do I convert millimeters of mercury to pascals?
Multiply the number of millimeters of mercury by 133.3223874. For example, 10 mmHg × 133.3223874 = 1,333.223874 Pa.
How many millimeters of mercury are in one pascal?
One pascal equals 0.007500615758 millimeters of mercury. That is the reverse factor, 1 ÷ 133.3223874.
What is 10 millimeters of mercury in pascals?
10 mmHg = 1,333.223874 Pa.
Is this mmHg to Pa converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.