Enter your gas mix and maximum PPO2
Air = 21%, Nitrox typically 28-40%
Recreational: 1.4, Deco: 1.6
Maximum operating depth for your gas mix
Enter gas mix parameters and click Calculate
Planning-only boundary
This calculator supports pre-fill planning only. Keep all gas analysis, oxygen-clean confirmation, and execution sequencing in Gas Blender.
Next Step Guidance
Need help choosing a target gas first? Use Best Mix.
Need reserve and turn strategy checks for the planned profile? Use Gas Envelope or Minimum Gas.