How to Calculate Your Roof Square Footage First measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. Knowing the longest dimension first will help you to scale your drawing appropriately.

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Any roofing calculator starts by giving a reasonably accurate estimate of the total area of your roof.

Square footage calculator roofing. Go to express roof calculation. It will also give you the perimeter of the shape of the roof. Using this tool will be very helpful for you in finding out the acreage or the tract of land of your property.
How to Estimate Roofing Materials. If the surface is complex in shape it may be possible to section the surface into simple shapes and add their square footages together. Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the Roofing Material Calculator.
Now assuming an average pitch of 912 we multiply the 2D area of 1300 by 125. The Square Footage Calculator estimates the square footage of a lot house or other surfaces in several common shapes. If your number is 13 squared would yield 19.
If you dont want to do a lot of measuring you can use your pitch calculation to get an estimated square footage of your roof. For instance if the roof is 1550 square feet then it is 16 squares. Assuming this is a hip roof we multiply this by 11 which gives us roughly 18 squares or 1800 square feet of the roof surface.
To find the squares divide the overall roof area by 100 and then round up. You can use the roofing calculator below to get a rough estimate of roofing costs per square foot depending on the type of roofing material. If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
The simplest method of calculating your roofing square footage is by measuring the base width and length of. This would yield 13 Next square your result. Steep Roofs Measure your house at ground level then add in the roofs overhang for greater accuracy.
This nominal square footage amount is then multiplied by a factor associated with the roofs. With an online roofing calculator you will usually be able to drill down a bit deeper in order to see a fine-grained cost breakout on a sq ft basis. Measure and sketch out dormers hips valleys diagonal distances and protrusions or overhangs.
Roof Area Calculator This calculator will help you determine the amount of square feet you have for replacing roof shingles. If you remember high school geometry area is simply the measurement often in square feet of the space occupied by a flat surface. In roofing one square equals 10 X 10 ft or 100 sq.
10x10 100sf 1 square Roof Area CalculatorsGABLE HIPSHED. It will display 3 figures. For example if your roofs pitch is 4 in 12 you would divide 4 by 12.
Roof shingles are figured by number of squares. This gives us a 3D roof area of 1625 sqft. Low average and high figures for the estimator.
A square simply refers to a 10 x 10 square of roofing. Square Footage Calculator Height x Length Square Footage Square Footage Square Feet SqFt SqFt. As an example if your overhang is 12 inches youll add 2 feet to the overall length and 2 feet to the overall width of the house.
Fill in Roof Details. The only difference in this calculation to the one for a Gable roof area is the amount of the Ridge. The calculator cannot account for complex shapes based on a measurement of square footage alone.
Sketch the roof outline using ground measurements as shown in Figure 1 below. It will also give you the square footage of your roof and any other areas that youre wanting. As you prepare for your roofing project youll use squares to determine the amount of roofing materials you need from asphalt shingles down to the underlayment.
You can estimate your roof with our roof square footage and materials calculator based on the standard types of roofs - just enter the dimensions and get the finished layout of the material and roof area. This is simply 100 square feet of roof. Make sure to document the number of chimneys skylights or other obstructions and include dormers in.
Online app roof square footage and material calculator. The Area Calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof. This unit of measurement determines how many shingles youll need for every 100 sq.
Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate. Hip Roof - Square Footage Calculator Calculate the square footage area of a Hip Roof The square footage of a Hip roof area is identical to the square footage of a Gable roof of the same size. Once you have your roofs pitch divide the number by 12.
Although roofing projects are estimated and sold by the square roofing material is often not sold in 1 square increments. Chimneys vents skylights and pipe sizes will need to be measured to calculate. Each time you add points the area will update and there is a box below that will convert this into acres meters kilometers miles and finally square feet.

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