For a rectangular subfloor measuring 52 feet by 44 feet, how many full sheets of plywood are required?

For a rectangular subfloor measuring 52 feet by 44 feet, how many full sheets of plywood are required?

• A. 68
• B. 86
• C. 66
• D. 72

Answer: (D)

To figure out how many full sheets you need, compare the total floor area to the area one plywood sheet covers. A standard sheet is 4 ft by 8 ft, so each sheet covers 32 square feet. The subfloor area is 52 ft × 44 ft = 2,288 square feet. Dividing 2,288 by 32 gives 71.5 sheets. Since you can’t use a fraction of a sheet, you round up to 72 sheets. This also accounts for waste and needed cuts during installation.

To figure out how many full sheets you need, compare the total floor area to the area one plywood sheet covers. A standard sheet is 4 ft by 8 ft, so each sheet covers 32 square feet. The subfloor area is 52 ft × 44 ft = 2,288 square feet. Dividing 2,288 by 32 gives 71.5 sheets. Since you can’t use a fraction of a sheet, you round up to 72 sheets. This also accounts for waste and needed cuts during installation.