How Many Squares Will My Roof Need

It s a good idea to order an extra 10 to account for cutoffs and waste material.

How many squares will my roof need.

To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. The shingle bundles will be plastic or paper wrapped bundles that are made to be light enough for a single person to carry. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

A square of shingles will be the amount needed to cover an area of 100 square feet. The result is 240 and this means you would need 240 squares of shingles to cover that roof. Things you will need steel tape measure. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.

Before you start the calculation you need to be aware that shingles are sold by the square and by the bundle. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material. A square is an area of roof which measures 100 square feet. To determine the number of squares on the gable roof above simply divide its total of 24 000 square feet by 100.

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area.