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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

Millimeter of mercury to inch of water formula

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 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 water conversion quiz

Score: 0

141 millimeter of mercury equals 86.8 inch of water.

Correct answer: 141 millimeter of mercury = 75.5 inch of water.

157 inch of water equals 337 millimeter of mercury.

Correct answer: 157 inch of water = 293 millimeter of mercury.

18 inch of water equals 33.6 millimeter of mercury.

Correct answer: 18 inch of water = 33.6 millimeter of mercury.

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