Table of Contents
How do I calculate how much roofing material I need?
So to derive the total square footage of the roof, you would:
- Multiply length (A) times width (B) and length (A) times width (C) to get the square footage for each plane.
- Add the two planes together.
How do you figure roofing sheets?
Divide the total roof area by 32 to get the number of sheets you will need to cover the roof. A typical 4 foot by 8 foot sheet of plywood covers 32 square feet. 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.
How to calculate the amount of roofing material you need?
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. Hope it helps. This in not applicable to a flat roof. You should not put shingles on a flat roof.
How to get a free roof replacement estimate?
Estimate the cost to install a new roof in a click of a button! Just plug in your house dimensions, select your roof pitch, relative roof difficulty, choice of materials, and let our Calculator do the rest. To get a 100% free roof quote, enter your zip code above and fill out a simple estimate request form on the next page.
How can I find out how much shingles I need for a new roof?
The roof shingle calculator is a free estimator that serves a useful purpose during any roof repair or replacement project. Once you enter the basic roof dimensions and enter the type of roof, you will get a very accurate result telling you exactly the amount of shingles that are required to cover your new roof.
How to calculate the pitch of a roof?
The pitch of the roof is the rise over a 12-inch run. Use our roof pitch calculator to find the pitch of your roof. Next, multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. For example, a 4/12 pitch roof that is 100 square feet: