They are not related to each other.
300 lbs/27 sq ft x 3000 sq ft = 900,000 sq ft lbs/27 sq ft = 33,333 lbs
Plaster= 53 pound per cubic foot 53x3=159 pounds
How many cu ft
3 ft 2 equals how many in2
3 ft
13 ft.
22 ft
9 ft.
6
1 in = 0.0833 ft
222 in = 18.5 ft
568 in = 47.33 ft