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Convert millimeter of mercury to inch of water

Here you can quickly calculate how many inch of water fit in one millimeter of mercury.
  • 1 mmHg = 0.53524 inH₂O
  • 1 inH₂O = 1.86832 mmHg

Millimeter of mercury to inch of water conversion table

millimeter of mercury inch of water
1 0.53524
2 1.07048
5 2.676201
10 5.352402
20 10.704803
50 26.762008
100 53.524016

Formula to convert millimeter of mercury to inch of water

To convert millimeter of mercury to inch of water, multiply by 0.53524.

1 mmHg = 0.53524 inH₂O
Example: 1 millimeter of mercury = 0.53524 inch of water

Common mistakes in pressure conversion

  • 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 to/from inch of water conversion quiz

Score: 0

63 inch of water equals 135 millimeter of mercury.

Correct answer: 63 inch of water = 118 millimeter of mercury.

17 millimeter of mercury equals 8.19 inch of water.

Correct answer: 17 millimeter of mercury = 9.1 inch of water.

34 inch of water equals 63.5 millimeter of mercury.

Correct answer: 34 inch of water = 63.5 millimeter of mercury.

5.7 millimeter of mercury equals 3.36 inch of water.

Correct answer: 5.7 millimeter of mercury = 3.05 inch of water.

188 inch of water equals 351 millimeter of mercury.

Correct answer: 188 inch of water = 351 millimeter of mercury.

More conversions in pressure