Roof Calc: Shingle Estimator

Stop guessing your roofing order. Enter the dimensions you already have, and Roof Calc gives you the full material list in seconds.

No aerial measuring. No subscription. No manual to study first.

WHAT YOU GET

- Roof area in squares — pitch is factored in for you

- Shingle bundles (architectural or 3-tab)

- Nails, underlayment, starter, hip & ridge, drip edge, ice & water

- Waste factor 10% / 15% / 20% — set it to the job

- Add your prices for an instant material cost

- Export a clean PDF for the client or the supply house

- Save jobs and reopen them anytime

BUILT FOR THE ROOF

- Fully offline — works with no signal

- One screen, plain numbers — no cryptic key combos

- Presets for GAF, Owens Corning, CertainTeed, or set your own

Try it free: enter your dimensions and see your squares and bundles. One purchase unlocks the full list, cost, PDF, and saved jobs—no subscription, ever.

Estimate only—always verify against manufacturer specs and local code.