11 Best Of How To Determine Number Of Shingles For Roof HD Image Size. Measure your roof accurately Use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Step 2 Measure the length of the bottom of any triangular-shaped portion of the roof.
Measure your roof accurately Use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Outside of the US a degree angle is typically used. Furthermore how do you figure out how many shingles I need for my roof.
How to Calculate Roof Pitch.
This means you would need 30 squares of shingles to replace that roof. Mark the center of the bottom length while measuring. How to Calculate Roof Pitch. Divide the total footage by 100 to determine the number of squares in the roof.