Singles are often sold in bundles with three bundles equaling one roof square.
How to figure out how many roof shingles you need.
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.
Compute the area of the whole roof and determine the number of bundles.
The shingle count method of the old shingles have not been removed from the roof you can easily use this method to calculate the number of shingles you are going to need.
Once you know this number you can estimate the final price of the materials.
If you have valleys and or dormers you will need to measure and calculate those by adding their sq.
You will need to measure the length and height of you roof to calculate how many bundles you need to purchase.
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.
For example you will need to figure out the exact number of shingles required to cover the entire roof area.
Also have a couple of bundles spare on hand to cover wind damage etc.
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.
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.
Thus a key element in your project will be the roofing material calculator and more specifically the roof shingle calculator.
To estimate how many shingles you ll need first estimate the total square footage of your roof s surface.
Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.
Check out our estimating guidelines below and visit choosing the right roof and things you should know for additional information.
If you have decided to do the work on your own we d like to help.
3 bundles per square.
Of the rest of the roof.
Be sure to add a couple of bundles for double first row and capping.
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.