The numbers (in white on red wheels) appear after the decimal point and are ONLY used for engineering purposes. 

1 cubic meter of Propane vapour at 37mb pressure (as recorded by the meter) is the equivalent of 3.85 litres of LPG. 

As delivered to the Bulk Storage Tanks. 

On cubic feet (ft m3) meters, only the ready of the wheels with white figures are recorded. This means, all readings are in ‘hundreds’ of cubic feet. 

100 cubic feet (ft m3) of Propane vapour, at 37mb pressure (as recorded by the meter) is the equivalent of 10.9 litres of LPG.

As delivered to the Bulk Storage Tanks.