BuildCalcFree calculators

Shingle Bundle Calculator

Enter your size to get shingle bundle quantity, plus an estimated cost. Waste is included and prices are editable.

Size
Waste and price (optional)
$

Material needed

4 bundlesBuy this many
Area100 sq ft

Estimated cost

Material cost$140
Shingle Bundle

How to calculate shingle bundle

Roof shingles at about 33.3 square feet per bundle. Enter roof area to get bundles.

Formula: quantity = area ÷ 33.3 sq ft per bundles × (1 + waste %) = 4 bundles.

Worked example

Example: 10 ft × 10 ft = 100 sq ft. Quantity: 4 bundles, about $140 at $35 per bundles.

Tips

Measure the full area, then subtract large openings if you want an exact count. Order a little extra for cuts and breakage, and confirm quantities with your supplier before you buy.

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Frequently asked questions

How much shingle bundle do I need?

Example: 10 ft × 10 ft = 100 sq ft. Quantity: 4 bundles, about $140 at $35 per bundles.

How much waste should I add?

Add 10% for straight areas and 15% for areas with many cuts, corners and openings.

Are the prices accurate?

Prices are editable estimates. The defaults are typical US figures, and your local price can be higher or lower.

Last updated 2026-10-27. Formulas checked by Bilal Mughal.