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Wallpaper Calculator

Wallpaper Calculator

How to Measure Your Walls and Determine Wallpaper Requirements

Revamping your walls with wallpaper can breathe new life into any space. Yet, before diving into your wallpapering endeavor, it's crucial to accurately measure your walls and calculate the necessary amount of wallpaper. Here's a systematic guide to assist you:


Wallpaper Calculator


Step 1: Gather Essential Tools

Before commencing the measuring process, assemble the following tools:

  • Measuring tape
  • Pen or pencil
  • Paper for jotting down notes

Step 2: Measure Wall Height

Commence by measuring the height of each wall slated for wallpapering, from floor to ceiling. Ensure to measure at various points along the wall to accommodate any irregularities. Record the highest measurement to guarantee ample wallpaper coverage.


Wall Height: 96 inches (243.8 cm)

Step 3: Determine Wall Width

Proceed to measure the width of each wall scheduled for wallpapering. Measure horizontally from one end of the wall to the other, encompassing any doors or windows within the area. Once again, measure at multiple points and record the widest measurement.


Wall Width: 144 inches (365.8 cm)

Step 4: Calculate Total Square Footage

To ascertain the overall square footage of the walls to be covered, multiply the height of each wall by its corresponding width. Sum up the square footage of all walls to obtain the total area.


Total Square Footage = Wall Height x Wall Width Total Square Footage = 96 inches x 144 inches = 13,824 square inches

Step 5: Convert to Wallpaper Sheets

Given that our wallpaper sheets are 28 inches (71 cm) wide, determine the number of sheets required to cover the total square footage. Divide the total square footage by the width of each sheet to arrive at the quantity needed.


Number of Sheets = Total Square Footage / Sheet Width Number of Sheets = 13,824 square inches / 28 inches = 494.57 sheets

Step 6: Round Up

As a precautionary measure, it's advisable to round up to the nearest whole number to accommodate any errors or discrepancies. In this scenario, round up to 495 sheets.

Step 7: Final Verification

Before proceeding with your purchase, double-check your measurements and calculations for accuracy. Additionally, consider adding an extra sheet or two to your order for added assurance.

By diligently following these steps, you can confidently measure your walls and determine the precise amount of wallpaper required for your upcoming home improvement project. Armed with the correct quantity of wallpaper, you'll be well-prepared to create a visually captivating and harmonious ambiance in any room of your residence.