inHg
Inch of Mercury
Scientific System

Inch of Mercury (inHg)

Inches of mercury (inHg) measure atmospheric pressure in US aviation and weather reports. Standard sea level pressure is 29.92 inHg. Altimeter settings use inHg. One inHg equals 25.4 mmHg or approximately 33.86 millibars.

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Conversion Factors

1 inHg 3386.389 Pa
1 inHg 33.86389 hPa
1 inHg 3.386389 kPa
1 inHg 0.003386389 MPa
1 inHg 0.03386389 bar
1 inHg 33.86389 mbar
1 inHg 0.4911541996 psi
1 inHg 70.726204748 psf
1 inHg 0.0334210609 atm
1 inHg 25.400002698 mmHg
1 inHg 25.400006316 Torr
1 inHg 34.531557668 cmH₂O

Related Units