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Go back to Table 1 , find the 15-meter column, and scan down to 53 (or the next highest number, 54). Follow it to the right. Result: You finish your diving day in Pressure Group T . Essential Rules for Safe Metric RDP Tracking

Move horizontally to the right to find your Pressure Group letter. At 18m for 30 mins, your ending Pressure Group is Resources for Download

If you actually dive for 40 minutes at 16 meters, your calculation for your next profile would be:

59 minutes. This is the maximum actual time you can stay at 15 meters.

When utilizing the PADI RDP Table Metric PDF, adhering to conservative diving protocols is vital:

Never ascend faster than 18 meters per minute (60 feet per minute). If your modern dive computer specifies a slower rate (like 9 meters per minute), follow the computer.

Never exceed an ascent rate of 18 meters per minute (or the rate dictated by your specific dive computer, typically 9-10 meters per minute).