How To Measure Sq Feet Of Roof

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.

How to measure sq feet of roof.

As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house. In cases where a roof has a complex shape such as in the image to the right measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area. 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. If the house has an irregular shape measure each part separately figure the separate areas and add them together.

This nominal square footage amount is then multiplied by a factor associated with the roof s pitch. Calculate each plane separately. How to calculate square feet of a roof step 1. Check that your footage measurements are within this range so you can start off on the right foot.

Next you will need to use a roofing materials calculator. Measure your house at ground level then add in the roof s overhang for greater accuracy. Roof pitches in degrees. Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate.

Convert the area to roofing squares. Measure the length and width of every roof plane or surface. Include dormers the small outjuttings over attic.