Construction & Materials
Shingle Squares Calculator
Estimate the number of roofing squares and shingle bundles needed for a roof area.
Your inputs
Change any value to update the result instantly.
Roofing squares needed
22 squares
Bundles of shingles
66 bundles
Raw squares (no waste)
20 squares
Nail estimate (~320/square)
7,040 nails
Formula and working
squares = roof area ÷ 100 × (1 + waste)
- 1
Collect the inputs
Roof area = 2,000 ft²; Waste allowance = 10 %; Bundles per square = 3
- 2
Apply the formula
squares = roof area ÷ 100 × (1 + waste)
- 3
Result
Roofing squares needed = 22 squares
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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