Roofing bundles calculator
Estimate roofing bundles from the actual sloping area.
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Your measurements
Enter your project values. Your estimate updates as you type.
View your estimateExample values are a starting point. Check product yields and specifications before ordering.
YOUR ESTIMATE
Bundles to buy
9
Area with waste27.6 m²
Purchased coverage27.9 m²
Whole quantities are rounded up.
How it's calculated
Packs = net area × (1 + waste ÷ 100) ÷ installed coverage per pack, rounded up.
Calculations use consistent units for your selected measurements. The waste allowance is applied once to the measured requirement. Whole purchase quantities are rounded up.
What this estimate includes
Use the coverage on the bundle. Ridge, hip and starter products are additional.
Quantity and arithmetic estimates only. Use project specifications for installation and design requirements.
IN THIS TRADE