If the weight is 62.5, then it weighs 62.5
The weight of 2.25 cubic feet of water is approx 4495 pounds-force (lbf).
The weight of any volume of water will depend on the gravitational force acting upon it. 57 cubic feet of water would weigh nothing in a spaceship, for example.
It all depends on what you have in the cubic feet. -- If the cubic feet are full of air, they weigh about 8 pounds. -- If they're full of water, they weight about 6,243 pounds (3.1 tons). -- If they're full of lead, they weigh about 70,793 pounds (35.4 tons). -- If the cubic feet are completely empty, they weigh exactly zero.
2.5 cubic feet of water weighs about: 156 pounds.
2.25 cubic feet of water weighs about 140 pounds.
More info needed. How much does 0.4 cubic feet of what weigh? Air? Lead? Water? Dirt?
180/62.5 = 2.88 cubic feet
Approximately 102 pounds for 1.63 cubic feet of water (12.2 US gallons).
One cubic foot of water weighs about 62.4 pounds.
That is 18,041.403 pounds
Approximately 1,620.2 pounds.
11 cubic feet of plain (non-salt) water weighs approximately 686.7 pounds or 311.5 kilograms.