24+ Calculate Sac Rate. A diver's air consumption rate can be expressed in. The three letters sac are an acronym for the phrase surface air consumption and hence sac rate is a calculation based on the.

140 bar x 10 litre cylinder = 1400 litres consumed during the dive. This calculator determines a scuba diver’s sac and rmv rate based on the average depth, bottom time, gas used, and tank size. We can then turn the equation around to determine our dcr for any depth.








