Inches of Mercury to PSI

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Inches of Mercury inhg

PSI psi

1 inhg = — psi

Quick reference

Inches of Mercury (inhg)	PSI (psi)

Formula

PSI = inches of mercury × 0.49115415

Multiply the inches of mercury value by 0.49115415184865024 to get psi. To reverse — divide psi by 0.49115415184865024 to get inches of mercury.

About this conversion

Inches of mercury (inHg) is used in aviation altimetry and US weather reports, equal to approximately 3,386 pascals. Learn more →

Pounds per square inch (psi) is an imperial pressure unit widely used in the US for tire pressure, hydraulics, and gas pressure. Learn more →