Measuring Your Roof Square Footage

For instance if the roof is 1550 square feet then it is 16 squares.

Measuring your roof square footage.

After you ve done this you can click along the outer edge of the roof that you wish to calculate the area for. 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. Measuring your roof from the ground 1. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.

To find the squares divide the overall roof area by 100 and then round up. A square simply refers to a 10 x 10 square of roofing. To find the pitch of your roof you ll first. L h 2 area calculating an area of a triangle when estimating a roof.

While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12. The length l times the height h of a triangle is twice its area a2. Find the length and width of the building s exterior walls. The pitch is the steepness of the roof.

Things you will need steel tape measure. This is simply 100 square feet of roof. Multiply the length by the width of each plane to determine square footage. Stretch your tape measure along the walls from end to end.

Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high. Use a pitch. 1 roof square 100 square feet.

Calculate the pitch of the roof. As such while it can be cumbersome measuring the area and pitch of each part of the roof and multiplying by the corresponding correction factor will result in the most accurate estimate of necessary. You will need to express this size in terms of square feet. 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.

The first technique is referred to as the shingle count method which is used for estimating the measurements of all rectangular shaped sections of a roof. Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area. Roofing square conversion calculator now it s time to convert square feet into roofing squares. Then add the results together for the total square footage of your roof.