mmHg to inHg Conversion Table

The conversion calculation from millimetres of mercury to inches of mercury over the vacuum and atmospheric pressure range is as follows:

• 1 inHg = 3386.39 pascals (Pa)
• 1 mmHg = 133.322 pascals (Pa)
• inHg value x 3386.39 Pa = mmHg value x 133.322 Pa
• inHg value = mmHg value x 0.0393701

Alternatively a simpler and more obvious calculation can be used from the known conversion factor for a length measured in millimetres converted to inches:

• 1 mm = 0.0393701 in
• mmHg value = inHg value x 0.0393701

Enter a pressure in mmHg 0°C below to convert it to the equivalent pressure in inHg 0°C.

From		mmHg 0°C
To		inHg 0°C

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Choose a value between 0 and 1000 mmHg 0°C from the pressure conversion table below, to obtain the converted value in inHg 0°C.

mmHg 0°C	inHg 0°C	🔗