How to Calculate Roof Pitch (With Formula and Examples)
How to calculate roof pitch: rise over 12, angle via arctan, rafter length and pitch factor. Includes 4/12 to 12/12 examples and how to measure existing roofs.
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How to Estimate Roofing Cost for Your Project
How to estimate roofing cost: roof area = footprint × pitch factor, squares = area÷100, cost = squares × $/sq + waste + tear-off. Free calculator with pitch & m
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