Gas Pressure Conversion Calculator

Use this gas pressure conversion calculator to convert gas pressure between common units. Enter pressure value and source and target units and review the equivalent pressure in the selected unit.

Converted values
—
kPa —
PSI —
mmHg —
Bar —
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How it works

1 atm = 101.325 kPa = 14.696 psi = 760 mmHg = 1.01325 bar

How to use the Gas Pressure Conversion Calculator

Start by entering pressure value and source and target units. Keep the units consistent and check that each value belongs to the same question.

The result gives the equivalent pressure in the selected unit. Check whether the input is absolute or gauge pressure where relevant. Use it as a guide and check any instructions, rules or professional advice that apply.

Frequently Asked Questions

What does this gas pressure conversion calculator calculate?
It gives the equivalent pressure in the selected unit. Check whether the input is absolute or gauge pressure where relevant.
What information should I enter?
Enter pressure value and source and target units. Use the same units throughout so the result is easier to understand.
Which pressure unit should I use?
Choose the unit shown on your measurement or source document, then convert consistently.