How Much Wallpaper Do I Need?

Determining the correct amount of wallpaper for your project is essential to ensure a seamless installation and to avoid unnecessary expenses. Here's a step-by-step guide to help you accurately calculate your wallpaper needs:

1. Measure Your Walls

• Height and Width: Use a tape measure to determine the height and width of each wall you plan to cover. For rooms with varying heights, measure at multiple points and use the average height.

• Total Wall Area: Multiply the height by the width of each wall to get the area in square feet. Add the areas of all walls to obtain the total wall area.

  Example: A wall that's 10 feet high and 12 feet wide has an area of 120 square feet.

2. Account for Openings

• Doors and Windows: Measure the height and width of each door and window. Multiply to find their areas, then subtract these from the total wall area.

  Example: A door that's 7 feet high and 3 feet wide has an area of 21 square feet.

3. Understand Wallpaper Roll Coverage

• Standard Roll Sizes: In the U.S., a standard wallpaper roll typically covers about 36 square feet. However, due to pattern matching and trimming, the usable coverage is often around 30 square feet.

4. Calculate the Number of Rolls Needed

• Basic Calculation: Divide the adjusted total wall area by the usable coverage per roll.

  Example: If your total wall area is 300 square feet and each roll covers 30 square feet:

  300 sq ft ÷ 30 sq ft/roll = 10 rolls

• Pattern Repeat Consideration: For wallpapers with large patterns, additional material may be needed to ensure proper alignment. It's advisable to add an extra roll to accommodate this.

5. Additional Tips

• Order Extra: Always order an extra roll to account for mistakes, future repairs, or if a roll is damaged.

• Consult a Professional: If your room has an irregular shape or if you're using wallpaper with a complex pattern, consider consulting with a professional or using an online wallpaper calculator for more precise estimates.

By following these steps, you can confidently determine the amount of wallpaper needed for your project, ensuring a smooth installation process and a beautifully finished space.

Go to one of our Designer Wallpaper product pages and use our Wallpaper Calculator to find how many rolls you should order?