Millimeters of mercury to Atmospheres

Convert millimeters of mercury to atmospheres. Live result, plus a quick-reference table for common values.

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⇆ Convert Atmospheres to Millimeters of mercury instead

Frequently asked questions

How do I convert millimeters of mercury to atmospheres?

Multiply the millimeter of mercury value by 0.00131579. So 1 millimeter of mercury = 0.001316 atm, and the calculator above does it instantly for any number.

How many atmospheres are in a millimeter of mercury?

There are 0.001316 atmospheres in one millimeter of mercury. The reference table shows the conversion for common values.

Is this mmHg to atm converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.