Pressure Ratio to PSIG Conversion

7.35 psig is usually considered roughly 1.00 P/R in perfect condition density, or, 14.7 psia.

This conversion is inlet vs. outlet a compressor is efficient at.

Keep in mind 5,000' above sealevel is roughly 12.4 psia.

Type a value in the P/R field to convert the value to PSIG:
NOTE: 1.00 P/R = 7.35 psig at Sea Level or 1 Bar Atmospheric (14.7 psia)

P/R

PSIG: