c of language : relaxed in tone : not suited for serious or official speech and writing. 1  He spoke to them in informal Spanish/English. 2  The term is common in informal contexts. 3  informal language/speech/writing.  an informal word.
80 Inches Of Mercury to Pounds Per Square Inch = 39.2923. 3 Inches Of Mercury to Pounds Per Square Inch = 1.4735. 90 Inches Of Mercury to Pounds Per Square Inch = 44.2039. 4 Inches Of Mercury to Pounds Per Square Inch = 1.9646.
2) Inches of mercury (Hg) on a scale of 0 to 30, and the metric equivalent 3) Millimeters of Hg on a scale of 0 to 760 (A millimeter = 1/000 th of a meter) One needs to be cautious here, as the original mercury in a tube vacuum gauge measures the reduced pressure (vacuum) from atmospheric pressure downwards towards zero pressure, but the numbers on the scale read from 0 towards a maximum of 30.