How To Measure Your Roof Square Footage

To convert the square footage to roof squares divide the square footage by 100.

How to measure your roof square footage.

Be sure to find the area of any dormers on your roof as well. Measure the ground dimensions of the house using a tape measure and write down these dimensions. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. If a section is 120 feet 37 m x 100 feet 30 m its total square footage would be 12 000 square feet 1 100 m 2.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. Outline the roof at the points that are on the same level or elevation to ensure that you re getting an accurate calculation of your roofing measurements. This means you can take measurements of your home s perimeter to determine the square footage. The calculator cannot account for complex shapes based on a measurement of square footage alone.

In cases where a roof has a complex shape such as in the image to the right measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area. Divide any irregularly shaped areas of the roof into more manageable triangles and rectangles then calculate square footage for those individual elements and add them to get the total square footage. Multiply the length by the width to find the area of rectangular sections. If the house has an.

This number will provide you the level area beneath the roof. For example take an area made up of a triangle that s 20 feet high and has a base of 40 feet plus a square that s 40 feet by 40 feet. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. Multiply the length by the width to arrive at the ground area of the house.

The length l times the height h of a triangle is twice its area a2. The roof surface area would be 24. 1 roof square 100 square feet. 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.

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. Thus in a simple style house you ll only have to click on the corners.