Sheetrock Calculator
Estimate the number of sheetrock (drywall) panels needed for a room based on dimensions and waste factor.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Sheetrock Calculator
This calculator estimates the number of drywall panels needed for a room, including walls and ceiling, with a waste factor. All measurements must be in feet.
- Enter Room Dimensions: Input the room’s Length, Width, and Height in feet.
- Set Panel Size: Default panel is 8 ft × 4 ft. Adjust Panel Length and Panel Width if needed.
- Add Waste Factor: Enter a percentage (e.g., 10%) to account for cuts and waste. Use 0 for no waste.
- Calculate: Click the Calculate button.
- Read Results: The output shows the total panels required and a detailed breakdown of wall area, ceiling area, and the formula used.
Tip: Ensure all inputs are positive numbers. The result rounds up to the nearest whole panel.
Previous Results
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Frequently Asked Questions
It estimates how many drywall panels you need for a room based on dimensions and waste.
Measure length, width, and height of the room in feet.
A 10% waste factor is common to account for cuts and mistakes.