Measure Roof Area

Climb to the top of your roof.

Measure roof area.

First use your measuring tape to measure 12 inches on your large level and make a mark at the 12 inch line. Next place your ladder against your house at the gable end. How to calculate the roof area using the building square footage the pitch of the roof. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.

The calculated area is only an estimation. The roof area for a hip end is the same as for a gable end the intersection is equivalent to a hip slightly conservative so there is usually no need to consider triangles when measuring a roof. To calculate the area of your roof first you ll need to calculate the pitch of it. To accurately calculate the area of your roof you must first determine its slope or pitch.

So you re thinking of reroofing the house yourself and want an estimate for how much roofing material you. A 12 in 12 pitch is a. 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. Then calculate the pitch of the roof by placing a level against it angling the level so the bubble is centered and measuring the distance between the end of the level and the roof.