How Do You Estimate Roof Shingles

Divide the total footage by 100 to determine the number of squares in the.

How do you estimate roof shingles.

For a more accurate measurement you ll need to get up on the roof and measure each plane. Measure your roof accurately. Dimensions measured from the ground. Enter your zip code.

Determine the bundles of shingles. One way to get an estimate is to take the square footage or meterage of the building and multiply it by the slope factor pitch of your roof. How to use roof calculator. Exposure on roofs shingled with three tab or no cutout shingles you simply cut standard shingles into caps.

With that as background you are now ready to estimate how many shingles you will purchase for your roof project. You will then have to get the measurement of the rake of the roof. Of ridge or hips with each bundle of three tab shingles that come three bundles to the square. Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch.

Determine the total number of squares. Like regular shingles they overlap for a 5 in. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. This roof shingle calculator requires four basic inputs.

If the existing shingles are standard 3 tab shingles you can get this measurement by taking note of the number of tabs along the eaves and ridges then determine the length in feet. You can get a decent estimation this way. You can cap about 35 lin. Roof length measured in feet roof width measured in feet.

Enter appropriate roof pitch slope. To do this you need to note that one tab will be equal to 1 foot. Use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Find the square footage of the roof.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Measure the length and width of each portion of the roof multiply length by. Our calculator will help you estimate the amount of roofing shingles needed for your project plus the cost of materials and accessories.