How To Measure Roof Sq Ft

Measure the ground dimensions of the house using a tape measure and write down these dimensions.

How to measure roof sq ft. How do you calculate square footage for a roof. Check that your footage measurements are within this range so you can start off on the right foot. For example if your home is 60 feet long and 40 feet wide you would multiply the length by the width and come up with 2 400 square feet. For instance if the roof is 1550 square feet then it is 16 squares.

Multiply the length by the width to arrive at. How to calculate square feet of a roof step 1. So if you divide your answer of a product of length times height by two you will get the area of a triangle. If this distance measures 4 inches you have a 4 in 12 pitch.

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

To find the squares divide the overall roof area by 100 and then round up. The roof surface area would be 24. 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. A square simply refers to a 10 x 10 square of roofing.

8 inches and you have an 8 in 12 pitch. Next you will need to use a roofing materials calculator. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 1 roof square 100 square feet.

This is simply 100 square feet of roof. If your roof measures 48 feet 15 m x 24 feet 7 3 m multiplying its length by its width would give you a square footage of 1 152 square feet 107 0 m 2. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof. Because each 100 square feet of roof is one roofing square divide.

Outside of the u s a degree angle is typically used. Include dormers the small outjuttings over attic. Calculate each plane separately. This number will provide you the level area beneath the roof.

Pitch measurement method 1. Multiply the length and width of each square or rectangle shaped plane.