Roofing calculators

Measure your roof from the ground and turn it into squares and bundles.

Roofing calculatorRoof area, squares and shingle bundles from the footprint and pitch.Roof pitch calculatorPitch, angle, slope and area multiplier from rise and run.

Measuring safely

You don't need to climb on the roof for an estimate. Measure the footprint of the house plus the overhangs, find the pitch from the attic or a gable end, and let the pitch multiplier do the rest.