Calculate maximum operating depth, equivalent air depth, and more for enriched air diving.
Enter your nitrox mix details to calculate dive limits
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Enriched Air Nitrox (EAN) refers to breathing gases with higher oxygen percentages than regular air. While standard air contains approximately 21% oxygen, nitrox mixes typically contain between 22% and 40% oxygen.
The primary benefit of diving with nitrox is extended no-decompression limits due to the reduced nitrogen content. However, the increased oxygen percentage also introduces the risk of oxygen toxicity at greater depths.
Maximum Operating Depth (MOD) is the depth at which the partial pressure of oxygen in your breathing gas reaches the maximum limit you've set (typically 1.4 to 1.6 ATA for recreational diving).
Equivalent Air Depth (EAD) is the depth at which air would provide the same nitrogen partial pressure as your nitrox mix at your actual depth.
Disclaimer: This calculator is for planning purposes only. Always verify gas mixes with an analyzer and dive within your training limits. Consult a certified diving instructor before using nitrox.