US-specific calculators for roofers and personal projects.
Whether it's measurements, cost estimations, or materials, the US roof calculators on roof-calculators.com cover all projects.
We source our data from websites and roofers across the US to ensure it is as accurate as possible. We then check the data and measurements weekly to ensure you are only seeing the most accurate results.
Below you can see the full list of US roofing calculators available on our site, organized by category.
Work out the area of your flat, hipped or gable shed roof.
Straight gable and hipped roof surface area calculations.
Calculate the number of solar panels that fit on your roof.
Calculate your slope angle, ratio, percentage and length.
Protect your roof and calculate the perfect sized tarp.
Measure the amount of rainfall your roof can harvest.
Get accurate rafter dimensions for your new roof trusses.
Calculate the number of trusses your roof will need (plus costs).
Calculate slate tile amount, battens and holing gauge.
Calculate the correct gutter fall for perfect drainage.