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Tables and Charts

Pressure Conversion Table

multiply given factor (Pressure) to achieve equivalent value shown at column heads
Pressure
(from) 		to bar to
lb/sq in 		to atm to
mm Hg
Torr 		to Hg to
in Hg 		to
ft water 		to
m water 		to
in water
bar 1 14.5 0.986 750 0.75 29.53 33.46 10.2 401.5
lb/sq in 0.068 1 0.068 51.7 0.051 2.036 2.307 0.703 27.68
atm 1.01 14.7 1 760 0.76 29.921 33.9 10.3 406.8
Hg/Torr 0.0013 0.019 0.001 1 0.001 .039 .045 0.0135 0.535
m Hg 1.33 19.34 1.32 1000 1 39.37 44.6 13.6 535.25
in Hg 0.034 0.491 0.033 25.4 0.0254 1 1.133 0.345 13.59
ft water 0.029 0.433 0.0259 22.42 0.022 0.882 1 0.305 12
m water 0.098 1.422 0.096 73.55 0.0735 2.89 3.28 1 39.37
in water 0.00249 0.0361 0.00245 1.868 0.00186 0.073 0.083 0.0225 1