Add 10 percent.
How many plywood sheets in a 13 x 12 room.
Then enter a width and length for the room in feet.
Despite the drywall sizes listed above drywall sheet lengths can go up to 16.
This is the number of drywall sheets required.
The shape of any room is rarely rectangular.
Calculate how much flooring it will take with easy to use tool.
Then do the same thing for the width.
Select hardwood tile plywood or carpet.
For example a standard sheet of plywood 8 feet long and 4 feet wide has a surface area of 32 square feet.
800 32 25 sheets.
How many 4 x 8 sheets of plywood do i need.
Use the drop downs below to select a length in feet.
Sometimes you will end up with leftovers that are too small to use and you may need additional sheathing material.
Covering 230 square feet requires eight sheets.
Divide by the total square footage by the square footage of a sheet of plywood to find the number of sheets required to cover the space.
For more complicated shapes see the instructions below.
For example if the area to be covered in plywood is 800 ft 2 then 25 sheets of plywood will be needed to cover it.
Estimate the number of sheets needed for sheathing a wall or floor with plywood or osb.
Number of sheets needed based on 4 x 8 sheet size.
This calculator does not simply divide the total square footage by 32.
If your roof area is 1 600 square feet 1 600 divided by 32 will mean you need about 50 sheets to cover the roof.
Plywood is sold in whole sheets you can t buy part of a sheet so round up to the next largest integer to determine the number of whole plywood sheets required to cover the floor area.
Once the area is known divide by the area of a 4 8 sheet to find how much sheathing is needed.
Find how many sheets of plywood you need to sheath a roof to find the amount of plywood needed to cover a roof start by finding the area of the roof.
For example if you re using 4 x 10 sheets the total square footage of one sheet is 40sf.
The number of sheaths needed is based on square footage of the area and the square footage of one sheath of plywood.
It most often consist of multiple rectangles and more and more often other shapes such as triangles circles and ellipses.
A typical 4 foot by 8 foot sheet of plywood covers 32 square feet.