Weight and volume cannot be linked without knowing the density of the liquid/material in question
2 US gallons is approximately 16.7 pounds
20 pounds is equal to 2 Imperial gallons of water
18
You cannot realistically measure solid fruit in gallons. Gallon is a measure of liquid volume.
8 quarts in 2 gallons.
32 cups in 2 gallons ^-^
16
21/2
2
8
2
If 1 pint is 1 pound, then 2 gallons is 16 pounds.