Is there a conversion for in/hg to psi (-psi)???

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Is there a conversion for in/hg to psi (-psi)???

04-18-2007, 07:59 PM

mespe

benzbonz

Join Date: Feb 2005

Location: Cleveland, Ohio

Posts: 1,848

Quote:

Originally Posted by loubapache

1 in of Hg is equal to 0.49 psi.

At 1 atmospheric pressure (1 bar), it is 76 cm or 30 in of Hg and that is equal to 14.7 psi.

So then the air in my tires is actually closer to 50 PSI or 50PSI - atmospheric pressure (14.7) = 35 PSI that my tire gauge shows?

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