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Drywall Screw

Count drywall screws for a number of gypsum sheets.

About Drywall Screw

Each sheet takes a set number of screws on the standard 16-inch stud spacing, with a small waste allowance added on top. Screws are sold in thousand-count boxes, so overshoot before the job so you are not mid-wall with an empty supply.

Formula

Drywall Screw

Screws = panels x screws per panel x (100 + waste) / 100

screws per panel
About one screw per square foot of board

Worked example

With the default values below, Drywall Screw returns Screws Needed of 640. Change any input above and every figure here is recalculated in your browser.

Inputs used

Panels (4x8)minimum 1
20
Screws per panelminimum 1
32
Waste allowanceaccepts 0–100 %
10 %

Results

Screws Needed
640
With Waste
704
1,000-Screw Boxes
1

Step by step

  1. 1Values used
  2. 2Drywall Screw
  3. 3Screws Needed= 640
  4. 4With Waste= 704
  5. 51,000-Screw Boxes= 1

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to whole numbers, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is Drywall Screw calculated?

Screws = panels x screws per panel x (100 + waste) / 100 Each sheet takes a set number of screws on the standard 16-inch stud spacing, with a small waste allowance added on top.

Why does Drywall Screw matter?

Screws are sold in thousand-count boxes, so overshoot before the job so you are not mid-wall with an empty supply.

What values do I need to enter?

This calculator takes 3 inputs: Panels (4x8), Screws per panel, Waste allowance. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

Drywall Screw – Calculate Screws Needed & With Waste