How To Measure Your Roof Size

Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.

How to measure your roof size.

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. The roofing and construction industry has determined that one roof square 100 square feet. Find the length and width of the building s exterior walls. Calculate the pitch of the roof.

The pitch is the steepness of the roof. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement. 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. The length l times the height h of a triangle is twice its area a2.

How to measure a roof. Step 3 calculate and apply roof. When you go to your local home improvement store that is the number that you need to focus on not the actual dimensions of your roof. Thus if you measure the roof at 500 square feet that translates into 5 roofing squares.

Step 1 drawing a roof diagram. Step 2 measuring your home. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Once you draw up your roof diagram take the 100 tape measure and measure your house.

Thus in a simple style house you ll only have to click on the corners. Use a pitch. Draw your house and roof sections on the notepad marking all pitch changes ridge and. L h 2 area calculating an area of a triangle when estimating a roof.

Stretch your tape measure along the walls from end to end.