Drywall Screw Calculator
Number of screws needed for drywall sheets.
Enter your values
Enter the number of sheets you are working with.
Choose one of: Wall (12in o.c.), Ceiling (8in o.c.).
Enter the extra allowance in %.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Screws needed
- 2,112
- Screws per sheet used
- 32
- Boxes of 1000
- 2.11
Quick answer
Screw count is the number of drywall sheets multiplied by screws per sheet, typically 32 on walls or 48 on ceilings.
screws = sheets x screws per sheet x (1 + waste%)
At a glance
| What it does | Number of screws needed for drywall sheets. |
|---|---|
| Category | Home & DIY |
| Inputs needed | Number of sheets, Application, Extra allowance |
| Main output | Screws needed |
| Formula | screws = sheets x screws per sheet x (1 + waste%) |
| Cost | Free — no sign-up, no download |
How to use the Drywall Screw Calculator
- 1Enter the number of 4x8 drywall sheets in the job.
- 2Choose wall or ceiling — ceilings use tighter screw spacing.
- 3Add 10% extra for stripped heads and touch-ups.
Inputs explained
- Number of sheets
- Enter the number of sheets you are working with.
- Application
- Choose one of: Wall (12in o.c.), Ceiling (8in o.c.).
- Extra allowance(%)
- Enter the extra allowance in %.
Worked example
Using the values the calculator loads with:
Inputs
- Number of sheets60
- ApplicationWall (12in o.c.)
- Extra allowance10 %
Results
- Screws needed2,112
- Screws per sheet used32
- Boxes of 10002.11
Frequently asked questions
How far apart should drywall screws be?
About every 12 inches on walls and every 8 inches on ceilings along the framing.
Screws or nails?
Screws hold better and reduce nail pops, and are the standard choice today.
What do I need to enter into the Drywall Screw Calculator?
Just 3 values: number of sheets, application, extra allowance. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Drywall Screw Calculator work out the answer?
Screw count is the number of drywall sheets multiplied by screws per sheet, typically 32 on walls or 48 on ceilings. It applies the formula screws = sheets x screws per sheet x (1 + waste%) and shows the working so you can check each step by hand.
Is the Drywall Screw Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.