How To Figure Roofing Material

Our calculator will round up to the nearest foot.

How to figure roofing material.

Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Since it takes 3 bundles of shingles to cover a square plan to purchase 3 bundles for each square. You will need to express this size in terms of square feet.

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. To calculate the materials you ll need enter your measurements in the calculator below. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. 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.

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