ShingleKit: Roofing Calculator

Estimate shingles, bundles, ridge caps, underlayment, nails, tear-off weight, and labor hours. 100% offline. Lifetime purchase available.

Tired of guesswork at the lumber yard? ShingleKit turns roof measurements into a precise material list in seconds.

Here's how it works: open the app, enter your roof length, width, and pitch, and tap calculate. Done. No accounts. No uploads. No tracking. Everything happens on your iPhone.

Whether you're a roofing contractor pricing tomorrow's job, a framing carpenter handing off a turnkey deck, or a homeowner planning a weekend reroof, ShingleKit is built to be the fastest way to figure out exactly what to order.

Enter as many roof sections as you need — main house, garage, addition, dormer — each with its own pitch, dimensions, overhangs, and openings. The app sums everything into total sloped area, squares, and bundles needed, with waste factor applied automatically.

Accessory materials are calculated alongside the main shingles: ridge and hip caps from your ridge and hip linear feet, starter strips from eave and rake linear feet, underlayment rolls from your area and felt type (#15, #30, or synthetic), roofing nails from your wind zone, ice and water shield from valley linear feet, drip edge, pipe boots, and step flashing.

Add your local bundle and roll prices and ShingleKit instantly turns the material list into a job cost estimate. Save the job, attach a photo and notes, and export a clean PDF for your customer. Every PDF is signed "Generated by ShingleKit" in the corner so customers know where the numbers came from.

Pitch a roof with the built-in AR meter — rest your iPhone on a rafter or ridge board and read the slope in degrees, percent, or ratio. Or pick from the visual pitch chart if you already know it. Working in metric? Flip a single setting and every input switches to meters and square meters.

The built-in tear-off estimator predicts debris weight and dumpster size from existing roof layers. The labor hours estimator gives you crew-hours by job complexity. The reverse calculator tells you the maximum coverage you'll get from bundles already on the truck.

100% offline. No data collection. No advertisements. No tracking. The Reference tab gives you quick-look pitch charts, squares-to-bundles tables, underlayment coverage by type, nail counts by wind zone, and IRC R905 summaries — everything you need on the jobsite without a signal.

Built for iOS 17. One-time lifetime purchase available, or 3-day free trial then $1.99/week. Cancel anytime.

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