ShingleKit: Roofing Calculator

Quoting your next reroof? ShingleKit turns roof measurements into a bundle count, a material list, and a branded PDF quote in seconds — built for contractors who price a new job every week.

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 or a homeowner planning a weekend reroof, ShingleKit is the fastest way to work 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 the material list becomes a job cost estimate.

Pitch a roof with the built-in AR meter — rest your iPhone on a rafter and read the slope in degrees, percent, or ratio. Working in metric? Flip one setting and every input switches to meters.

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

NEW: pick from 8 roof types — gable, hip, flat, shed, skillion, Dutch gable, gambrel, mansard — and the app derives your ridge, hip, eave, rake, and valley lengths from length, width, and pitch. Waste is recommended from the roof shape and stays adjustable.

NEW: branded PDF quotes. Add your company name, logo, licence number, and contact details once, and every quote goes out on your letterhead with a quote number, validity date, customer block, and a signature line. Export a customer copy that shows only the quoted price, or an internal copy with full cost, overhead, and profit.

NEW: compare four materials side by side — 3-tab, architectural, exposed-fastener metal panel, and standing seam — off one set of measurements. Quantities, labor hours, weight, and price for each, with the cheapest highlighted. Drop the comparison into the PDF.

NEW: price the job properly. Add overhead and gross margin and see direct cost, burdened cost, quoted price, and gross profit. Margin is calculated as a share of the price, not a markup on cost — the mistake that quietly under-quotes every job. Prefer markup? Switch the input and the price stays the same.

NEW: every number can be opened to show its formula, the values substituted into it, and where the constant came from — manufacturer spec, ASTM standard, or IRC section. When a customer questions a figure, you can read the arithmetic back.

Also new: up to 8 photos per job with captions, job status tracking (draft, quoted, won, lost, done) with filtering, and quote history so you can see what you quoted and when.

100% offline. No account, no cloud, no sign-up. Nothing is uploaded and nothing is tracked — the app works with the phone in airplane mode, on a roof, with no signal. The Reference tab gives you pitch charts, squares-to-bundles tables, underlayment coverage by type, nail counts by wind zone, and roof code basics with the IRC section numbers cited.

Available in 6 languages: English (US and UK), German, French, Japanese, and Korean.

Built for iOS 17. One-time lifetime purchase — buy it once and it is yours. Weekly, monthly, and yearly subscriptions are also available if you prefer; the weekly plan includes a 3-day free trial and can be cancelled anytime.

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