Shingle calculator for bundles and pallet planning
Enter measured roof area and waste, then choose a reviewed product package ratio or enter current coverage for another product. Add the bundles-per-pallet quantity you confirm for the exact package. The result remains a planning count, not an order recommendation.
Manufacturer packaging, plant or region, starter course, ridge-cap or hip-and-ridge product, waste, roof measurement, accessories, and supplier rounding can all change the order. No product, waste percentage, or pallet quantity is selected by default.
Your material-plan inputs
Planning count
Enter measured roof area and an explicit waste percentage, then choose a reviewed package ratio or enter current coverage for another product.
This field-shingle count does not automatically include separate starter, ridge-cap, hip-and-ridge, underlayment, flashing, fasteners, or other accessories.
Manufacturer-backed field-shingle examples
Direct answer: bundle counts and coverage are product-specific; one generic default is not defensible. These are three reviewed examples, not a complete product catalog.
| Product | Manufacturer fields, calculation basis, and boundary |
|---|---|
| GAFTimberline HDZU.S. specification | Published manufacturer fields
|
| Owens CorningWoodcrestCanada product page | Published manufacturer fields
|
| CertainTeedBelmontTechnical sheet; verify region | Published manufacturer fields
|
Dataset boundary: field shingles only. No pallet, starter, ridge, accessory, price, warranty, or availability quantity is inferred. Recheck the source and current package before purchase.
Formula
Waste-adjusted area = measured roof area × (1 + waste percentage). For a reviewed product, planning bundles = waste-adjusted area × published bundle count ÷ published coverage area, rounded up. For another product, planning bundles = waste-adjusted area ÷ current coverage per bundle, rounded up.
The calculator uses each published package ratio directly. It does not first round a derived per-bundle value, avoiding errors caused by that intermediate rounding step.
Full pallets = planning bundles ÷ entered bundles per pallet, rounded down. Loose bundles are the remainder. Pallets required = planning bundles ÷ entered bundles per pallet, rounded up.
Frequently asked questions
What is a roofing square?
A roofing square is 100 square feet of roof surface. Confirm the measured roof area before using it for a material plan.
How many bundles of shingles do I need?
Apply the chosen waste percentage to measured roof area, then use the selected product’s published package ratio or current coverage per bundle and round the package count up. The result is a planning count only; starter, ridge-cap, hip-and-ridge, and accessory products may use separate coverage.
Are all asphalt shingles three bundles per square?
No. Package ratios vary by named product. The reviewed examples on this page include products published at three bundles per roofing square, six bundles per 100 square feet, and four bundles per 96 square feet. Confirm the current specification and package wrapper for the exact product.
How many bundles of shingles are on a pallet?
There is no universal bundles-per-pallet count. It varies by manufacturer, product line, bundle weight, plant, and supplier packaging. Use the current pallet quantity for the exact product, then enter it here to plan full pallets and loose bundles.
How much waste should I add?
There is no universal percentage. Waste depends on geometry, layout, valleys, hips, cuts, product instructions, crew method, and supplier policy. Enter the percentage chosen for the actual plan and verify it before ordering.
Can I order from this calculator result?
Not without verification. Confirm the roof measurement, selected product coverage, waste, starter, ridge, accessories, bundle rounding, color or lot needs, and supplier return policy before ordering.