This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
How do i measure my roof square footage.
The google maps area calculator is not 100 accurate.
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.
1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square.
Things you will need steel tape measure.
Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.
Calculate square feet meters yards and acres for flooring carpet or tiling projects.
There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement.
The first of which is that you don t even have to go up on the roof.
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.
Calculate project cost based on price per square foot square yard or square meter.
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.
Similarly if you using the area calculator tool to measure a roof with multiple levels you should do the individual section separately.
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.
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.
Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements.
After measuring the area of the footprint you can estimate the actual roof area based on the angle of the roof.
Calculate square footage square meters square yardage and acres for home or construction project.
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 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.