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Convert millimeter of mercury to inch of mercury

Here you can quickly calculate how many inch of mercury fit in one millimeter of mercury.
  • 1 mmHg = 0.03937 inHg
  • 1 inHg = 25.4 mmHg

Millimeter of mercury to inch of mercury conversion table

millimeter of mercury inch of mercury
1 0.03937
2 0.07874
5 0.19685
10 0.393701
20 0.787402
50 1.968504
100 3.937008

Millimeter of mercury to inch of mercury formula

To convert millimeter of mercury to inch of mercury, multiply by 0.03937.

1 mmHg = 0.03937 inHg
Example: 1 millimeter of mercury = 0.03937 inch of mercury

Common pressure conversion mistakes

  • Blood pressure uses mmHg (120/80) and weather reports use hPa (around 1,013), different units that must not be mixed: 760 mmHg = 1,013.25 hPa. One mmHg is about 1.33 hPa.

Quick millimeter of mercury and inch of mercury conversion quiz

Score: 0

20.7 inch of mercury equals 263 millimeter of mercury.

Correct answer: 20.7 inch of mercury = 526 millimeter of mercury.

10.3 inch of mercury equals 262 millimeter of mercury.

Correct answer: 10.3 inch of mercury = 262 millimeter of mercury.

9.6 millimeter of mercury equals 0.189 inch of mercury.

Correct answer: 9.6 millimeter of mercury = 0.378 inch of mercury.

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