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Official Description

Simple to use Nitrox calculator which can determine your maximum operating depth (using PO2 of 1.4) and your contingency operating depth (using PO2 of 1.6) for a given Nitrox blend (FO2). Has the ability to pick "best mix" for a given expected maximum depth and once a blend has been chosen can calculate the equivalent air depth and PO2 exposure for a given depth. Ad free forever. (supports Metric and Imperial calculations)