Roofing Area Calculator
Formula: Length x Width x Pitch factor
Enter length and width units and a pitch factor. The result is roof area in m2.
Example
Formula: Length x Width x Pitch factor = 8 m x 6 m x 1.1 = 52.80 m2
Step-by-step calculation
- Enter roof length and width with units.
- Enter a pitch factor for slope.
- Calculate to get roof area in m2.
FAQ
- What is pitch factor?
- It adjusts area for roof slope; steeper roofs need more.
- Where to find pitch?
- Use a roof pitch chart or building plans.