What is inch of mercury?

Inch of mercury (inHg) is a pressure unit representing the pressure exerted by a one-inch column of mercury. It is used in aviation altimetry, barometric pressure readings, and vacuum measurements in the United States.

What is hectopascal?

A hectopascal is a pressure unit equal to 100 pascals, numerically identical to the millibar. It is the standard unit for atmospheric pressure reports in modern meteorology and aviation weather data.

Worked examples

1 inch of mercury = 33.86389 hectopascal

1 hectopascal = 100 pascal

More Pressure conversions

• Convert inch of mercury to pascal
• Convert inch of mercury to kilopascal
• Convert inch of mercury to bar
• Convert inch of mercury to pound per square inch
• Convert inch of mercury to atmosphere
• Convert inch of mercury to millibar
• Convert inch of mercury to hectopascal
• Convert inch of mercury to torr
• Convert inch of mercury to megapascal