Pascals to mmHg Converter

ConversionEdited by Hemant Kumar and Anjita Rai, founders · How we checkUpdated Free · No sign-up

Quick answer: To convert pascals to mmHg, multiply by 0.007500616. For example, 10 Pa is 0.07500616 mmHg. One pascal equals 0.007500616 mmHg.

Use the Pascals to mmHg Converter

Pascals to mmHg formula and what each symbol means

mmHg = Pa × 0.007500616

Symbols used in the formula
SymbolMeaning
PaPascal
mmHgMillimeter of mercury

Pascals to mmHg examples

1 Pa

1 Pa × 0.007500616 = 0.007500616 mmHg.

10 Pa

10 Pa × 0.007500616 = 0.07500616 mmHg.

100 Pa

100 Pa × 0.007500616 = 0.7500616 mmHg.

Pascals compared with mmHg

One mmHg is 133.3 times as large as one Pa, so your number gets smaller when you convert pascals to mmHg and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.

About pascals and mmHg

Pascal (Pa): The SI unit of pressure, one newton per square metre. Millimeter of mercury (mmHg): Millimetre of mercury, about 133.322 pascals.

Where pascals to mmHg conversions are used

Hydraulics, boilers and pneumatic tools list their limits in bar, psi or MPa. Tyre pressure is shown in psi, bar or kPa, depending on the vehicle and country.

How to calculate Pascals to mmHg step by step

  1. Enter the value in Pa (the starting unit).
  2. Multiply by 0.007500616, because 1 Pa = 0.007500616 mmHg.
  3. The product is the value in mmHg. To go back, divide by 0.007500616 or multiply by 133.3224.

Popular pressure conversions

How to read your Pascals to mmHg result

Quick estimate: multiply by about 0.0075 to get mmHg from pascals; this is within 0.1% of the exact factor. The pascal is the SI unit, but gauges use bar, psi, atmospheres or mmHg depending on the field.

PASCALSMMHG
10.007500616
20.01500123
50.03750308
100.07500616
200.1500123
500.3750308
1000.7500616
1,0007.500616

mmHg to Pascals: quick table

MMHGPASCALS
1133.3224
5666.6119
101,333.224
253,333.06
506,666.119
10013,332.24
25033,330.6
50066,661.19

Common mistakes when calculating Pascals to mmHg

  • Reading mmHg and Torr as clearly different units: they differ by only about one part in seven million.
  • Dividing when you should multiply: from Pa to mmHg multiply by 0.007500616; from mmHg to Pa divide by 0.007500616.

Pascals to mmHg FAQ

How many mmHg are in 1 Pa?

1 Pa equals 0.007500616 mmHg.

How many Pa are in 1 mmHg?

1 mmHg equals 133.3224 Pa.

Is 1 Pa = 0.007500616 mmHg an exact conversion?

The factor is shown rounded to 7 significant figures (0.007500616). The calculator above uses more digits.

What is a pascal (Pa)?

The SI unit of pressure, one newton per square metre.

How can I estimate pascals to mmHg in my head?

Quick estimate: multiply by about 0.0075 to get mmHg from pascals; this is within 0.1% of the exact factor.

What is 0.5 Pa in mmHg?

0.5 Pa = 0.003750308 mmHg (since 0.5 × 0.007500616).

What is 25 Pa in mmHg?

25 Pa = 0.1875154 mmHg (since 25 × 0.007500616).

What is 80 Pa in mmHg?

80 Pa = 0.6000493 mmHg (since 80 × 0.007500616).

How many decimals should I keep when converting Pa to mmHg?

Match the precision of your original measurement. For example, 0.07500616 mmHg rounds to 0.075 mmHg at 3 significant figures; keep more digits only for engineering or scientific work.

More in Pressure converters

See all pressure converters tools · All Conversion calculators · Site map

Method, review and disclaimer

Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI derived units