Measuring Sgaure Footage Of A Roof

The length l times the height h of a triangle is twice its area a2.

Measuring sgaure footage of a roof.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. Measure the length and width of every roof plane or surface. L h 2 area calculating an area of a triangle when estimating a roof. Include dormers the small outjuttings over attic.

Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. Calculate each plane separately. 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. Outside of the u s a degree angle is typically used.

Each square is 100 square feet. If you are replacing your entire roof you will need to purchase shingles in 50 squares to sufficiently cover your 5 000 square foot roof. 1 roof square 100 square feet. The answer is the number of roofing squares for the roof.

If your roof is 5 000 square feet you will have 50 squares. Estimate the pitch of the roof. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. Multiply the length and width of each square or rectangle shaped plane.

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. A home s roof is measured in squares. How to calculate square feet of a roof step 1.