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Calcimator

Drywall Calculator

Calculate how many drywall sheets, joint tape, compound, and screws you need for your project.

Inputs

ft
ft

Results

Sheets Needed

12

Wall Area (net)333 sq ft
Joint Tape Rolls1
Joint Compound (5-gal)1
Screw Boxes3
Est. Material Cost$197

Sheets Needed

12

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Wall Length — Average length of each wall to be covered with drywall Accepts values from 1 ft to 200 ft (default: 12 ft).
  3. Wall Height — Floor-to-ceiling height of the walls — standard is 8 feet Accepts values from 1 ft to 20 ft (default: 8 ft).
  4. Number of Walls — Total number of walls to cover with drywall in this project Accepts values from 1 to 20 (default: 4).
  5. Doors — Number of standard doors to subtract from wall area (3×7 ft each) Accepts values from 0 to 10 (default: 1).
  6. Windows — Number of standard windows to subtract from wall area (3×5 ft each) Accepts values from 0 to 10 (default: 2).
  7. Sheet Size — Drywall sheet dimensions — larger sheets reduce seams but are heavier Choose from: 4×8 ft, 4×10 ft, 4×12 ft. default: 0.
  8. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  9. Sheets Needed — shown as a numeric value. This is the primary result of this calculator.
  10. Wall Area (net) — shown as a numeric value.
  11. Joint Tape Rolls — shown as a numeric value.
  12. Joint Compound (5-gal) — shown as a numeric value.
  13. Screw Boxes — shown as a numeric value.
  14. Est. Material Cost — shown as a dollar amount.
  15. View the Cost Breakdown below for a visual breakdown of how the numbers relate to each other.
  16. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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