Roof Pitch Calculator & Gauge

A free roof pitch calculator and pitch gauge: lay your iPhone on the roof and read the pitch in x/12, degrees and percent. Add the rafter calculator, shingle estimate and PDF pitch report with one one-time unlock — no subscription, no account. Big numbers you can read in sunlight, a gauge that holds the reading by itself, and calculators that talk like a roofer: rise and run, rafter lengths to 1/16 in, squares and bundles. THE GAUGE (FREE) - Flat: lay the phone on the roof, or on a level or straightedge across the shingles, any way round. - Edge: stand the long edge on a rafter, the fascia or a rake board. Leaning it toward you does not change the reading. - Auto-hold: when the reading is steady the gauge holds it, with a tap you can feel. Or use HOLD and RELEASE. - The nearest whole pitch in big type (6/12), the exact pitch under it (6.2 / 12, with "between 6 and 7" when it matters),…