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SAC Calculator

Resources

Gas planning

Turn a completed dive into a usable gas-consumption estimate

Work out a practical SAC/RMV estimate from a completed dive, then compare how workload, current, stress, trim, and water temperature can change the number.

Gas estimate After-dive estimate

Planning aid

SAC inputs

Enter a completed dive profile to estimate surface consumption.

bar
bar
L
m
min
Gas used 1560 L
Estimated SAC/RMV 12.4 L/min
Planning boundary: Gas estimates are simplified planning aids. They do not calculate rock-bottom gas, buddy gas sharing, ascent requirements, workload spikes, current, stress, regulator performance, or emergencies.
Formula and source notes
For gas planning context, review DAN gas management discussion and confirm reserve rules with the operator or instructor.