Roofing Calculator
Estimate roof area, squares, shingle bundles, underlayment, starter, ridge cap, drip edge, nails and a user-priced roofing material budget with verified product presets.
Roofing planning modeQuick keeps the minimum measurements visible for the first usable answer.
Your roofing material plan
Review roof geometry, roofing squares, whole-unit material quantities and — when you enter current local package prices — a transparent material subtotal. Product and price inputs remain editable.
Planning estimate only. Verify product labels, project requirements and supplier information before purchasing.