Inches of Mercury to PSI Converter
Convert inches of mercury (inHg) to pounds per square inch (psi)
Result
0.4911541996 psi
PSI
1 inHg = 0.4911541996 psi
1 inHg in other units
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How to convert inches of mercury to pounds per square inch
One inch of mercury equals 0.4911542 pounds per square inch, so multiply the number of inches of mercury by 0.4911542.
psi = inHg × 0.4911542
1 inHg = 0.4911542 psi · 1 psi = 2.03602 inHg
Worked example
To convert 5 inches of mercury to pounds per square inch: 5 inHg × 0.4911542 = 2.455771 psi.
About inches of mercury (inHg)
Inches of mercury is used for barometric pressure in US weather reports and aviation.
About pounds per square inch (psi)
Pounds per square inch is used for tyre pressure, air compressors and hydraulics.
More conversions
Inches of Mercury to other units
Frequently asked questions
How many pounds per square inch are in one inch of mercury?
One inch of mercury equals 0.4911542 pounds per square inch.
How many inches of mercury are in one pound per square inch?
One pound per square inch equals 2.03602 inches of mercury.
How do I convert inches of mercury to pounds per square inch?
Use the formula psi = inHg × 0.4911542. For example, 5 inHg × 0.4911542 = 2.455771 psi.