Cu ft in a gallon

Answer 1

ANSWER

One cubic foot of fresh water: rule-of-thumb is 7.5 gallons (US) per cubic foot with each gallon weighing 8.33 pounds, so 1 cubic foot weighs about 62.4 pounds. one cubic inch weighs (62.4 / 12 /12 /12=) 0.036 pounds or about 1/2 ounce. Salt water is 2.5 % heavier than fresh water. Heavy water in nuclear reactors is a bit over 10 % heavier than fresh.

Answer 2

1. One US gallon = 0.134 cubic feet
2. One Imperial gallon = 0.161 cubic feet

Answer 3

1 (cu yd) = 27 cu foot