Measure from the ground
You don't need to get on the roof for an estimate. Measure the outside of the house at ground level, add the overhang, and choose the pitch. The calculator does the rest.
Roofing and siding calculators
Estimate how big your roof is and what a new one needs, without climbing a ladder.
Roofing CalculatorRoof area, squares and shingle bundles from house size and pitch.Open calculator →Roof Pitch CalculatorPitch, angle and rafter length from rise and run.Open calculator →Siding CalculatorSquares of siding for the outside walls.Open calculator →