Roofing Shingle Calculator
Estimate roofing squares and shingle bundles from roof size and pitch.
🔄 Updated October 13, 2026
About the Roofing Shingle Calculator
Planning a build or renovation? The Roofing Shingle Calculator gives fast, reliable planning estimates. Estimate roofing squares and shingle bundles from roof size and pitch. Figures include a small waste allowance where relevant. For bigger projects, compare with the Concrete Calculator and Gravel Calculator.
How to use this calculator
- Enter your numbers in the fields above.
- Results update instantly — no button to press, no page reload.
- Adjust the inputs to compare scenarios with the Roofing Shingle Calculator.
Keep exploring: Concrete Calculator · Paint Calculator · Tile Calculator · Brick Calculator
Frequently asked questions
What is a roofing square?
100 square feet — shingles are sold by the square.
How many bundles per square?
Typically 3 bundles per square for standard shingles.
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