How To Figure Out How Many Roof Shingles You Need

3 bundles per square.

How to figure out how many roof shingles you need.

Compute the area of the whole roof and determine the number of bundles. Once you have these measurements you will need to calculate the area of the roof and then you can see how many shingles you will need. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Singles are often sold in bundles with three bundles equaling one roof square.

Of the rest of the roof. For example you will need to figure out the exact number of shingles required to cover the entire roof area. 100 sq ft 21 shingles per bundle. Also have a couple of bundles spare on hand to cover wind damage etc.

If you have valleys and or dormers you will need to measure and calculate those by adding their sq. Be sure to add a couple of bundles for double first row and capping. 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. You will need to measure the length and height of you roof to calculate how many bundles you need to purchase.

Check out our estimating guidelines below and visit choosing the right roof and things you should know for additional information. Your roof line is not going to be the same as the square footage in your home. A square represents 100 square feet of area covered by shingles. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.

Thus a key element in your project will be the roofing material calculator and more specifically the roof shingle calculator. 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. 33 square feet per bundle 100 square feet per square 4 nails per shingle. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.

To properly calculate how many bundles of shingles are needed to roof your home you need to calculate the total square footage of the roof and convert it to squares. To estimate how many shingles you ll need first estimate the total square footage of your roof s surface.