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Convert millimeter of mercury to centimeter of water

Here you can quickly calculate how many centimeter of water fit in one millimeter of mercury.
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  • 1 mmHg = 1.35951 cmH₂O
  • 1 cmH₂O = 0.735559 mmHg

Example: millimeter of mercury to centimeter of water

  • 1 millimeter of mercury = 1.35951 centimeter of water

Millimeter of mercury to centimeter of water conversion table

millimeter of mercury centimeter of water
1 1.35951
2 2.71902
5 6.79755
10 13.5951
20 27.1902
50 67.9755
100 135.951

Millimeter of mercury to centimeter of water formula

To convert millimeter of mercury to centimeter of water, multiply by 1.35951.

1 mmHg = 1.35951 cmH₂O
Example: 1 millimeter of mercury = 1.35951 centimeter 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 centimeter of water conversion quiz

Score: 0

8.7 millimeter of mercury equals 13 centimeter of water.

Correct answer: 8.7 millimeter of mercury = 11.8 centimeter of water.

162 millimeter of mercury equals 220 centimeter of water.

Correct answer: 162 millimeter of mercury = 220 centimeter of water.

15.3 centimeter of water equals 12.4 millimeter of mercury.

Correct answer: 15.3 centimeter of water = 11.3 millimeter of mercury.

158 centimeter of water equals 116 millimeter of mercury.

Correct answer: 158 centimeter of water = 116 millimeter of mercury.

12.3 millimeter of mercury equals 18.4 centimeter of water.

Correct answer: 12.3 millimeter of mercury = 16.7 centimeter of water.

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