While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12.
Estimate roof size google maps.
The google maps area calculator is not 100 accurate.
Google earth pro was the paid version of google earth it used to cost 400 a year but it s free now.
For best results measure using a top down view.
Measurements don t account for changes in elevation.
Project sunroof is a solar calculator from google that helps you map your roof s solar savings potential.
When you have eliminated the javascript whatever remains must be an empty page.
Measurements may not be 100 accurate especially in areas with 3d terrain and buildings.
Enable javascript to see google maps.
Most roofers feel like they need to go to every estimate and then measure the roof and most of the time it s a good idea to go to every estimate but this free tool will give you.
Find local businesses view maps and get driving directions in google maps.
And even flat roofs usually have a little bit of a slope so you might want to use a roof pitch multiplier once you have your area figured out 1.
You can also measure the size of polygons that you draw in google earth.
Free aerial measurements for roofing contractors and using google maps to get unlimited roof measurements can help any roofing contractor and be more efficient.
The first thing you need to do is download and install google earth pro.
These instructions only apply to the new google earth.
Map area calculator on the solar panels will fit on your roof area and distance in google maps how to measure a roof with google earth map area calculator on the how to measure a roof with google earthhow to measure distance and area with google map earthhow to measure the roof using google earth read more.
Keep in mind that using google earth isn t going to give you a 100 percent accurate reading but it will give you a basic idea of the size of the roof for your calculations for the roofing materials.
After measuring the area of the footprint you can estimate the actual roof area based on the angle of the roof.
Just use it as a starting point and you ll have a fairly basic idea of what you re dealing.