Depends on the color. And the brand, model, manufacturing materials, etc.
Don't try to lift one yourself, get a cart or dolly.
(25 cubic feet) - (20.7 cubic feet) = 4.3 cubic feet
More info needed. How much does 0.4 cubic feet of what weigh? Air? Lead? Water? Dirt?
If you see a specification on a refrigerator as 18 cubic feet, for example. This represents the capacity (how much volume of stuff that you can fit into the fridge).
2.5 cubic feet of water weighs about: 156 pounds.
10pounds
The weight of 2.25 cubic feet of water is approx 4495 pounds-force (lbf).
It depends on the density of the substance
Roughly 72 pounds.
Wood has a wide range of densities.
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.
Around one hundred pounds.
It depends on the size of the fridge in cubic feet and the brand you want, also it depends on what store you buy it from.