Converts bar and psi, litres and cubic feet, and Celsius, Fahrenheit, kelvin and rankine.
The formula: 1 bar = 14.509 psi; 1 ft3 = 28.32 l; K = C + 273; R = F + 460. 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.