Roof Pitch Calculator & Gauge

Measure roof pitch fast, calculate roof area, estimate materials, size rafters, and create professional PDF reports — all in one practical roofing tool. Roof Pitch Calculator & Gauge is built for roofers, contractors, inspectors, builders, DIY homeowners, and anyone who needs a clear roof measurement without complicated setup. Whether you work on roofs every day or just need to check one project, the app keeps the process simple: open it, measure, calculate, save, and move on. Measure roof pitch and angle Place your phone on the roof surface and get a live roof pitch reading in seconds. View pitch ratio, angle, slope percentage, and slope factor in a clean, easy-to-read gauge. • Live roof pitch measurement • Pitch ratio and degrees • Slope percentage and factor • Calibration for improved accuracy • Auto Hold for stable readings • Bright high-contrast mode for outdoor use Estimate roof pitch from a photo Cannot place your phone directly on the roof? Use Camera Estimate. Align the guide with the roof line and quickly estimate pitch and angle from a photo. Calculate roof area Add roof sections and calculate both projected area and sloped roof area. Useful for planning roofing jobs, preparing estimates, and checking material requirements. Estimate roofing materials Turn roof measurements into practical material estimates. • Underlayment rolls • Asphalt shingle bundles • Low-slope underlayment guidance • Standard and two-layer estimates for low-slope sections Calculate rafters Enter horizontal run and overhang to calculate: • Rise • Rafter length • Overhang rafter length • Total rafter length • Roof pitch • Roof angle Metric and imperial measurements are supported. Save measurements and photos Keep roof measurements organized for later. Save readings, attach project photos, reopen previous measurements, and keep job information together in one place. Create PDF roof reports Generate a clean PDF report containing measurement details, photos, roof area, and material estimates. Share it with customers, coworkers, or keep it for project records. Made for professionals. Easy enough for anyone. Roof Pitch Calculator & Gauge gives roofing professionals the calculations they need without burying them in menus. At the same time, the interface is simple enough for a homeowner or first-time user to understand immediately. Use it for: • Roofing estimates • Roof inspections • Construction planning • Shingle and underlayment calculations • Rafter calculations • DIY roofing projects • Measuring roof slope and angle • Creating project reports One roofing app. From first measurement to final report. Measure the pitch. Check the angle. Calculate the area. Estimate materials. Size rafters. Save the job. Create the report. Roof Pitch Calculator & Gauge puts the essential roofing tools in your pocket.