Scuba Diving Tools & Calculators
A collection of calculators and tools for recreational and technical divers. Quick and easy calculations for gas management, decompression, and more.
Dive Tools
Tools & Calculators
Find the right tool for your diving calculations
Nitrox MOD Calculator
Gas ManagementCalculate the depth where a Nitrox mix reaches a selected PPO2 threshold.
Dive SAC Rate Calculator
Dive PlanningCalculate your Surface Air Consumption rate from dive data for better gas planning.
RMV Converter
Dive PlanningCalculate SAC rate from dive data and convert to RMV for tank-independent gas planning.
Gas Consumption Planner
Dive PlanningModel gas use from breathing rate, depth, and time with a selected pressure allocation.
Dive Unit Converter
Dive PlanningQuickly convert pressure (psi/bar), distance (ft/m), and weight (lb/kg) without changing unit preferences.
Diving Education
Guides & Articles
Fast reads for safer planning.
Pressure and ATA Basics for Scuba Divers
Build the pressure foundation behind gas use, partial pressure, buoyancy, and decompression with worked metric and imperial examples.
Read guide
Scuba Cylinder Sizes and Working Pressures
Compare water volume, rated capacity, working pressure, buoyancy, and why similarly named scuba cylinders do not hold the same gas.
Read guide
Scuba Diving Units: Bar, PSI, Meters, and Feet
Convert the units divers use, understand which conversions are exact or approximate, and avoid mixing pressure, depth, and cylinder capacity.
Read guide
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Coming next
Coming Soon
Exciting new tools in development
Multi-gas Deco Planner
Dive PlanningTechnical dive planner that generates precise decompression schedules
Equipment Service Tracker
EquipmentTrack maintenance schedules for your diving equipment
Gas Blending Utility
EquipmentCalculate optimal gas mixes for nitrox, trimix, and top-ups