How To Figure Roof Shingles

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.

How to figure roof shingles.

Enter your zip code. To do this you need to note that one tab will be equal to 1 foot. Determine the total number of squares. 100 1 054 105 4ft 2.

Use our roof pitch calculator to find the pitch of your roof. If you have overhangs on the front back and sides of your house you most likely do take the. Determine the bundles of shingles. Singles are often sold in bundles with three bundles equaling one roof square.

When figuring the amount of shingles needed to roof a house you first convert the total square footage of the roof to squares a square represents 100 square feet of area covered by shingles. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. The run is the distance from the outside edge of a perimeter stud wall to the center of the house. However shingles are packaged in a way that they are light enough for the average person to carry around.

Use a measuring tape preferably 50 or 100 feet long and get exact ground. Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch. Enter appropriate roof. Our calculator will help you estimate the amount of roofing shingles needed for your project plus the cost of materials and accessories.

How roof pitch is calculated to accurately calculate the area of your roof you must first determine its slope or pitch. The rise is the distance from the top of a stud wall to the peak of the roof. 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. Measure your roof accurately.

Roof pitch area multipliers. Find the square footage of the roof. The pitch of the roof is the rise over a 12 inch run. You will then have to get the measurement of the rake of the roof.

For example a 4 12 pitch roof that is 100 square feet. Measure the length and width of each portion of the roof multiply length by. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. How to use roof calculator step 1.

To properly calculate how. Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Divide the total footage by 100 to determine the number of squares in the.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Outside of the u s a degree angle is typically used.