Calculator

SAC / RMV Calculator

Calculate your gas consumption rate from a completed dive. Use this to inform future gas planning.

Dive data

Cylinder

Start pressure (bar)

End pressure (bar)

Average depth (m)

Dive time (min)

Results

Enter values above to see results.

DiveSphere calculators provide reference estimates for dive planning. They are not a substitute for a dive computer, decompression software, certified dive training, or professional dive guidance. Always dive within your training and certification limits, follow local regulations, and plan conservatively with your buddy or dive team.