How many mason jars is 1 gallon?
1 gallon is roughly 8 mason jars.
That's roughly
8mason jars
Assuming one mason jar holds 1 pint (473 mL, if you insist).
Also equal to
The math
One mason jar holds 1 pint, or 473 mL in metric. 1 gallon is 3.79 L. Divide one by the other:
3.79 L ÷ 0.473 L ≈ 8 mason jars
Yes, we did the math in metric. Someone had to.