Upgrade a Basic Bookcase

Put a personal spin on an off-the-shelf bookcase with these easy DIY makeover ideas.

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Stairway Railing Ideas

Stairway railings serve more than a functional purpose -- they give stairs a visual presence and make a staircase a work of art. Find ideas for the perfect railing for your stairway.

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Beach Chic Porch Renovation

A family put a new roof over their heads by turning their back deck into a coastal-inspired covered porch. Learn how they made the big change from their existing porch to their new, cozy family hangout area.

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Give a Plain Mirror a Makeover

Take a plain mirror to the next level with these easy DIY embellishments.

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DIY Outdoor and Garden Projects

Sprucing up your outdoor space doesn't need to be a massive undertaking. Use these inspirational small projects -- including painting rocks to hanging new house numbers -- to instantly improve the look of a garden, patio, deck, or backyard.

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Add Storage Around Stairs

Step up your home's storage capacity by making the most of underused areas below and beside your stairs. Here's a look at 18 homes that beautifully optimized stairwell and staircase spaces.

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Popular in Home Improvement

Wallpaper Calculator

How much wallpaper will you need?

Wall area, in square feet
Number of doors
Number of small to medium-sized windows (10 to 14 square feet)
Number of large windows (up to 20 square feet)
Is the pattern "dropped"? (check if yes)
Number of American Rolls:
Number of European Rolls:

Please note: For your convenience, this calculation has been rounded up slightly.

Important reminder: Every effort has been made to ensure the accuracy of this calculation. But before purchasing materials for any project, please check amounts with your suppliers or contractors.

How to Wallpaper

Helpful Information

For wallpaper borders, simply measure the length needed and divide by the footage of the border roll to determine the number of rolls. This estimator will help you assess how much wallpaper you'll need.

A single "American" roll covers 36 square feet, while a single "European" roll covers 25 square feet. "Double" rolls cover twice the area. In this calculator, we count an American roll as 30 square feet and a European roll as 18 square feet, to account for waste.

A few tips: Wallpaper with a "straight" pattern is easy to install and has limited waste. When installing wallpaper with a "dropped pattern," you must align adjacent panels vertically, which takes more time and produces more waste.

Buy a roll or two more than you think you'll need, in case you make a mistake. Otherwise, if you purchase new rolls, they may not be from the same dye lot.

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