Roofing Calculator
About Roofing Calculator
The roofing calculator adjusts roof area for pitch and waste, then estimates squares, bundles, and material cost.
How to Use
The roofing calculator adjusts roof area for pitch and waste, then estimates squares, bundles, and material cost. Fill in Roof area, Pitch multiplier, Waste percent, Bundle coverage, and Price per bundle, then review the calculated Adjusted area, Roofing squares, Bundles needed, and Estimated cost.
- Open the calculator : Use Roofing Calculator from the Construction category.
- Check the inputs : Review the required values and any optional settings.
- Read the formula : Use the formula and notes below to understand how the result is produced.
Common Questions
What formula does the Roofing Calculator use?
Adjusted area = roof area x pitch multiplier x (1 + waste percent).
Inputs
- Roof area
- Pitch multiplier
- Waste percent
- Bundle coverage
- Price per bundle
Outputs
- Adjusted area
- Roofing squares
- Bundles needed
- Estimated cost
Formula
Adjusted area = roof area x pitch multiplier x (1 + waste percent).