How To Measure Roof Sq Ft

Multiply the length and width of each square or rectangle shaped plane.

How to measure roof sq ft.

Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate. How to calculate square feet of a roof step 1. To convert the square footage to roof squares divide the square footage by 100. Check that your footage measurements are within this range so you can start off on the right foot.

8 inches and you have an 8 in 12 pitch. The length l times the height h of a triangle is twice its area a2. This number will provide you the level area beneath the roof. For instance if the roof is 1550 square feet then it is 16 squares.

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. If its pitch is 6 in 12 a pitch multiplier of 1 12 multiplying 1 152 sq ft 107 0 m 2 by 1 12 would give you an overall square footage of 1 290 square feet 120 m 2. Convert the area to roofing squares. L h 2 area calculating an area of a triangle when estimating a roof.

A square simply refers to a 10 x 10 square of roofing. Next you will need to use a roofing materials calculator. Outside of the u s a degree angle is typically used. Calculate each plane separately.

Include dormers the small outjuttings over attic. If this distance measures 4 inches you have a 4 in 12 pitch. This is simply 100 square feet of roof. 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.

How do you calculate square footage for a roof. Pitch measurement method 1. Because each 100 square feet of roof is one roofing square divide. The roof surface area would be 24.

Measure the ground dimensions of the house using a tape measure and write down these dimensions. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 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. Multiply the length by the width to arrive at.

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. 1 roof square 100 square feet.