Shingle Calculator

How many shingles do I need? Enter your roof size and get an instant answer — bundles, squares, and cost.

Get a fast estimate from your roof square footage

Quick presets

sq ft

You Need

60 bundles

17.9 squares • 1,792 sq ft roof area

Estimated Cost Range

$1,971 – $2,956

Need more precision? Open the full Professional Calculator with detailed takeoff, cost breakdown, and material comparison.

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Quick Answers

How many bundles of shingles do I need?
A standard bundle covers 33.3 sq ft. You need 3 bundles per roofing square (100 sq ft). For a typical 1,700 sq ft roof: 17 squares × 3 = 51 bundles, plus 10% waste = 57 bundles. Use the calculator above for an exact estimate.
How much does a new roof cost in 2026?
The average roof replacement costs $8,000-$22,000 for a 1,700 sq ft home. Asphalt shingles: $8K-15K. Metal: $15K-30K. Tile: $25K-60K. Get your estimate.
What is a roofing square?
A roofing square equals 100 square feet of roof area. A 2,000 sq ft roof = 20 roofing squares. Convert squares to bundles.
How do I calculate the number of shingles for my roof?
Measure your roof area in square feet, divide by 100 to get roofing squares, multiply by 3 to get bundles, then add 10-15% for waste. Or enter your dimensions in our shingle calculator above for an instant answer including all accessories.

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