Please put GRAMS on the Printer Queue rather than MMs
On the Printer Queue the MMs of filament does me no good, what I need is the expected WEIGHT to be used as that I can measure before I start the print
That is not possible. Weight depends on the filament brand and type you inserted and that is unknown and you can not set it. If you upload g-code to models you can change this in summary and also see the weight to it, but in queue it might also be a direct upload where no one selected the filament. It is mainly for direct print so no interaction with g-code is planned.