Multiply the number of roofing squares for a medium pitch roof by 1 12 to 1 25 or by 1 3 to 1 42 for a high pitch roof to get the square roof area.
How do i measure my roof square footage.
Flat roofs if your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Calculate project cost based on price per square foot square yard or square meter.
Things you will need steel tape measure.
To calculate the size of the roof you need to measure the size of the roof as if it were flat account for roof pitch calculate square footage and finally determine how many squares of material are required for the roof the calculator above can handle all of this simply enter the length width and pitch and it will determine the size of the roof in squares.
After taking a few simple measurements you can figure out the area of your roof by sketching a rough diagram and breaking the roof up into smaller sections which you.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
The google maps area calculator is not 100 accurate.
Similarly if you using the area calculator tool to measure a roof with multiple levels you should do the individual section separately.
The calculator cannot account for complex shapes based on a measurement of square footage alone.
Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.
How to calculate square footage for rectangular round and bordered areas.
How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface.
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.
The first of which is that you don t even have to go up on the roof.
Enter measurements in us or metric units.
If you re determined to tackle a roofing job yourself it will be important to calculate the exact square footage of your roof in order to know how much material you ll need.
Calculate square footage square meters square yardage and acres for home or construction project.
Calculate square feet meters yards and acres for flooring carpet or tiling projects.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
