Assuming you are talking about the box and not the outer casing etc, 30x30x67 is 60300 cubic inches. This is 34.896 cubic feet
The refrigerator is (68/12)' x (30/12)' x (30/12) ft = 35.42 cubic feet. However, the quoted capacity will be the internal volume, not the outside.
A cone 11 inches high by 4 inches in diameter has a volume of 46.08 cubic inches.
The volume is 36*68*31 = 75,888 cubic inches = 75,888 / (12*12*12) = 43.91667 cubic feet.
The volume of a cylinder 7 inches high by 4 inches in diameter is: 87.96 cubic inches.
Those measurements describe a volume of 40.93 cubic feet. But that's the total exterior volume of the appliance ... the amount of volume it fills in your kitchen. The "cubic feet" specification in the advertisement refers to the volume of the food-storage compartment inside. That'll be much less.
The refrigerator is (68/12)' x (30/12)' x (30/12) ft = 35.42 cubic feet. However, the quoted capacity will be the internal volume, not the outside.
A cone 11 inches high by 4 inches in diameter has a volume of 46.08 cubic inches.
The volume is 36*68*31 = 75,888 cubic inches = 75,888 / (12*12*12) = 43.91667 cubic feet.
The volume of a cylinder 7 inches high by 4 inches in diameter is: 87.96 cubic inches.
The volume of a cylinder 1.5 inches in diameter x 36 inches high is 63.62 cubic inches.
Those measurements describe a volume of 40.93 cubic feet. But that's the total exterior volume of the appliance ... the amount of volume it fills in your kitchen. The "cubic feet" specification in the advertisement refers to the volume of the food-storage compartment inside. That'll be much less.
Volume = 69" * 33" * 31" = 69*33*31 = 70587 cubic inches = 70587/(12*12*12) = 40.85 cu feet (to 2 dp). But the volume of a fridge is normally the capacity, which is the measure from the inside.
The volume is 63.617 cubic inches.
You need three [orthogonal] measures to determine volume. Youhave provided height and width but not the depth. So the question cannot be answered.
the volume of the box is 5184 in3
The volume of a cylinder that measures 18 inches high and has a diameter of 9 inches is 1,145.11 cubic inches.
Volume = pi*42*19 = 304*pi cubic inches