289 sqft (17 x 17 = 289)
1 acre = 43560.17 sqft divide that by 3 = 14520.06 sqft
1/2 ground is 1200 sqft. 1 ground in 2400 sqft.
21,780 sqft
There is no such unit of measurement as a decimal.
The average size is about 1500 sqft.
20,000
A square of shingles is 100 sqft. there are 3 bundles in a square. 1267 sqft is better rounded off to 1300 sqft to allow for waste. so 13oosqft dived by 100 sqft = 13 squares. 13 x 3 = 39 bundles.
269.23
1418 sqft = 131.74m2
2,800 sqft is 0.064 acre.
Base it off : 12" thick a yard of concrete will go 27sqft. 6" thick will go twice as many sqft so 54 sqft. 4" thick will go 3 times as many sqft so 81 sqft 2" thick will go 6 times as many sqft so 162 sqft and at 1" thick it will go 324 sqft. So at 5" thick...1 yard of concrete will go 67.5 sqft
1,000 sqft (40 x 50 = 1,000)
Average soil can support at least 1500 pounds per square foot. An engineer calculates the weight the structural element transfers to the soil. If a 1'x1' column transfers 6,000 lbs. to the ground, and the soil strength is 1500 lbs/sqft, the foundation footing should be 2'x2', or 4 sqft (4sqft x 1500lb/sqft = 6,000 lb.).
289 sqft (17 x 17 = 289)
172 acres is 7,492,320 square feet. (43,560 sqft per acre).
100sqyd is 900sqft