Originally Posted by Mario
I agree. I have a line for total weight just so I know if for example we drive to my folks' place and can top off fresh water from the house but have nowhere to dump gray/black in their community.
For the rest of the calculations, I figured 10% for each (black & gray).
Total average weight with 6 people, 2 dogs and full tanks =GrossVehicleWeightLBS+(6*154)+(2*60)+FuelLBS+Liqu idPropaneLBS+FreshWaterLBS+(GrayWaterLBS*10%)+(Bla ckWaterLBS*10%)
there are dump stations everywhere, many free, or $5 - $10
has an interactive map that could helphttps://www.rvdumps.com/