Calculator

Gas Planner

Plan available gas, turn pressure, and minimum reserve for an upcoming dive.

Plan inputs

Cylinder

Start pressure (bar)

Reserve pressure (bar)

Planned average depth (m)

Planned bottom time (min)

Your SAC rate (L/min)

Buddy SAC rate (L/min)(optional)

Dive type

Results

Enter values above to see results.

Gas planning should always be conservative. This calculator provides a reference estimate — actual gas consumption depends on depth, current, exertion, stress, and equipment. Always plan with your buddy and follow your agency's training.