Turns a depth in metres of seawater into gauge and absolute pressure in bar. Every gas-law sum in the exam starts here: divide the depth by 10 for gauge pressure, then add 1 for absolute.
The formula: Absolute = depth/10 + 1. Change any box and the full working updates. For study only, never for dive planning.
The IMCA ADS, BDS and LST papers ask this as a four-option question, with a calculator on screen. A free account gives you 15 practice questions for each exam, each with the worked answer and the document it comes from.