Drywall Calculator


Total Wall Area (sq feet):
Number of Panels Needed:
Total Cost (optional):


Welcome to our Drywall Calculator, a convenient tool designed to simplify your drywall installation projects. Whether you’re a homeowner planning a DIY renovation or a professional contractor, our calculator makes it easy to estimate how much drywall you’ll need. Accurate measurements mean better budgeting and less waste, ensuring your project runs smoothly from start to finish.

How to Use the Drywall Calculator

Using our calculator is simple. Here’s how you can get an accurate estimate:

Measure Your Wall: Input the height and width of the wall space where the drywall will be installed.
Specify Panel Size: Enter the dimensions of the drywall panels you plan to use.
Waste Factor: Include a waste factor to account for any cutting and fitting losses.
Cost Estimation (Optional): If you wish, input the cost per drywall panel for a budget estimate.

Understanding Drywall Measurements

Drywall comes in various sizes, but knowing which size suits your project can be tricky. Our calculator accommodates any standard panel size, making your estimates as precise as possible. Standard drywall panels typically come in 4×8 feet, but there are also larger and smaller sizes available for different needs. Measuring your wall area accurately is crucial. Measure the height and width of each wall and enter these measurements into the calculator. Remember, it’s always better to measure twice and cut once!

Calculating Drywall Needs

Our Drywall Calculator does more than just multiply height by width; it factors in the standard sizes of drywall panels and includes an additional percentage for waste. This waste factor accounts for the unavoidable loss of material during cutting and fitting. By inputting your exact wall dimensions and the size of the drywall panels you plan to use, the calculator provides an estimate of how many panels you’ll need, ensuring minimal waste and cost-efficiency.

Cost Estimation and Budgeting

One unique feature of our calculator is the optional cost field. If you’re unsure about the cost per panel, use our default estimate to get a general idea of the total cost. However, for more accurate budgeting, we recommend checking the prices of drywall panels at your local hardware store or supplier and entering this cost into the calculator. This way, you can get a more realistic estimate of the overall expense for your drywall project.

Additional Resources

Beyond calculations, we also offer resources to guide you through the drywall installation process. From tips on choosing the right type of drywall to step-by-step installation guides, our aim is to support you throughout your project. Check out our links to additional guides and resources for more detailed information.


Got questions? We’ve got answers! Our FAQ section covers common queries about drywall calculation, including tips on measuring irregularly shaped walls, understanding different types of drywall, and advice for first-time DIYers.


Our Drywall Calculator is designed to take the guesswork out of your renovation projects. Accurate planning leads to better budgeting and a smoother construction process. If you need further assistance or have specific questions, don’t hesitate to contact us. We’re here to help make your next home improvement project a success!