Conversion
Square feet to roofing squares
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To turn roof square footage into roofing squares, divide by 100. Suppliers and contractors order in squares, so this is the step before any material count.
squares = square feet ÷ 100. A 2,000 sq ft roof is 20 squares.
Conversion table
| Square feet | Squares |
|---|---|
| 100 | 1 |
| 500 | 5 |
| 1,000 | 10 |
| 1,500 | 15 |
| 2,000 | 20 |
| 2,500 | 25 |
| 3,000 | 30 |
| 3,500 | 35 |
| 4,000 | 40 |
| 5,000 | 50 |
The formula
squares = square feet ÷ 100
Always round up when ordering — you can’t buy part of a square. See the roof area calculator to get squares straight from your measurements, or how to measure a roof.
Want every roofing conversion in one place? Use the master roofing unit converter.