CRP-5: Volume conversions 

Part 3 of my CRP5 series, showing the way to use a CRP-5 to convert volumes of liquids.
The most useful conversions to know are:
1 US Gallon = 3.78 Lit
1 Imperial Gallon = 4.54 Lit
1Lit water = 1kg
SG of AVGAS = 0.72
SG of Jet A1 = 0.81