Is 811 acre feet as big as a Baseball (packed)?
It's about 3,000,000,000 times as big as a Baseball (packed)
The size of a Baseball (packed) is about 0.000000266489720 acre feet.
(64% packing density) (MLB rules)
Per Major League Baseball rules, a baseball must measure between about 0.000000163547880 acre feet and 0.000000177558960 acre feet. A major league pitcher can throw a fastball at up to 150 kph (91 mph).
There's more! See other comparisons to 811 acre feet...