How many pascals are in a millimeter of mercury?

1 mmHg = 133.32 Pa. To convert any amount, multiply by 133.32.

How do you convert millimeters of mercury to pascals?

Multiply the number of millimeters of mercury by 133.32 to get pascals. The formula is shown in the "How it's calculated" section above.

Where does the conversion factor come from?

It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.

Unit converter — Pressure

Millimeters of mercury to pascals converter

Convert millimeters of mercury (mmHg) to pascals (Pa). Source-cited conversion factor, exact to the displayed precision.

Results are mathematically exact for the displayed precision. How we calculate.

How it's calculated

Convert millimeters of mercury to pascals— the formula

Millimeters of mercury convert to pascals by multiplying by the published conversion factor. The factor below is exact to the precision shown, sourced from the citation under the formula.

Pa = mmHg × 133.32

mmHg = Pa × 0.007501

Pascal: SI derived. 1 bar = 100,000 Pa exactly; 1 psi = 6894.757293168 Pa; 1 atm = 101,325 Pa exactly; 1 mmHg (Torr) = 133.322387415 Pa (NIST SP 811).

Questions

Frequently asked questions

How many pascals are in a millimeter of mercury?
1 mmHg = 133.32 Pa. To convert any amount, multiply by 133.32.
How do you convert millimeters of mercury to pascals?
Multiply the number of millimeters of mercury by 133.32 to get pascals. The formula is shown in the "How it's calculated" section above.
Where does the conversion factor come from?
It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.