Professional dive planning calculators for recreational and technical diving.
These calculators are planning tools only. Always:
Calculate dive times, gas consumption, and maximum operating depths for recreational diving.
Open CalculatorAdvanced calculations for trimix, equivalent narcotic depth, and gas density analysis.
OC Tech CalculatorClosed-circuit rebreather calculations including CNS/OTU tracking and loop gas analysis.
CCR CalculatorCalculate trimix and nitrox blending procedures for optimal gas mixes.
Blending Tools