Equivalent Air Depth Calculator

The Equivalent Air Depth (EAD) Calculator helps divers estimate EAD for enriched air dives, ensuring accurate nitrogen management and adherence to dive tables. It is a useful tool for both beginners and experienced divers in optimizing dive planning and maintaining underwater safety.

Unit Settings

Depth (ft)

Gas oxygen content (O2) %

EAD (ft): 37.6

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Best Gas Mix Calculator - Find the optimal gas mix for your planned depth by calculating the best oxygen percentage to maximize safety and efficiency.
MOD Calculator - Calculate the Maximum Operating Depth (MOD) for your breathing gas mixture, based on the planned oxygen percentage and partial pressure limit.
NDL Calculator - Calculate your No-Decompression Limit (NDL) based on depth to plan safe dive profiles within non-decompression limits.

Important Warning: The calculators provided on this page are intended for reference purposes only. While we strive for accuracy, divers are strongly advised to verify the output of these calculators independently before use. Always double-check calculations and consider all safety factors relevant to your specific diving conditions and experience level. Diving without proper verification and planning can be dangerous. Dive safely and responsibly.