Enter your building's footprint and roof pitch to get actual roof surface area, squares, and shingle bundles needed -- no account required.
A "square" is the roofing trade's standard unit: 100 square feet of actual roof surface. This doesn't account for underlayment, flashing, ridge cap, or ventilation -- get a real measurement and quote from a roofer before ordering material.
← All free calculatorsCompare your own numbers against a real quote before you decide.
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