How To Measure Roof Sq Ft

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.

How to measure roof sq ft.

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. If this distance measures 4 inches you have a 4 in 12 pitch. L h 2 area calculating an area of a triangle when estimating a roof.

How do you calculate square footage for a roof. 8 inches and you have an 8 in 12 pitch. This is simply 100 square feet of roof. Measure the ground dimensions of the house using a tape measure and write down these dimensions.

Include dormers the small outjuttings over attic. The length l times the height h of a triangle is twice its area a2. Multiply the length by the width to arrive at. Pitch measurement method 1.

Multiply the length and width of each square or rectangle shaped plane. Measure the length and width of every roof plane or surface. This number will provide you the level area beneath the roof. Check that your footage measurements are within this range so you can start off on the right foot.

For instance if the roof is 1550 square feet then it is 16 squares. To convert the square footage to roof squares divide the square footage by 100. Outside of the u s a degree angle is typically used. Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate.

Because each 100 square feet of roof is one roofing square divide. How to calculate square feet of a roof step 1. Calculate each plane separately. 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.

Next you will need to use a roofing materials calculator. A square simply refers to a 10 x 10 square of roofing. Convert the area to roofing squares. To find the squares divide the overall roof area by 100 and then round up.

1 roof square 100 square feet. 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.