Before you start shopping for wallpaper, make sure you have the right measurements of the walls or area that needs to be covered. This will help you calculate the number of rolls you will need for your project.

There are several factors that determine the amount of **Wallpaper**** **you need, including the height of your walls and pattern repeat. You should also consider the scale of your patterns, as bigger patterns can create larger spaces.

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## Measure Your Walls

Getting the measurements right is a key part of any decorating project, and wallpaper is no exception. It’s important to get the correct length and width for each strip of paper, or you may have to cut off extra strips to make your design work.

Fortunately, there are a few simple ways to calculate how much wallpaper you need. The first is the square-foot method, which will give you the total amount of wallpaper needed to cover a room’s square footage. This method also accounts for deductions like pattern repeats and window and door openings, but it can be a bit tricky to use on large walls or complex patterns.

To start, you’ll need to measure the wall or walls you plan to wallpaper. Clear away anything that could interfere with your measurement so you can get an accurate reading. You can use a tape measure or your phone to record the distance between opposing walls.

Once you have these measurements, you can plug them into an easy-to-use Graham & Brown chart to estimate how many rolls of wallpaper you need to complete your project. This calculator is available on the product page for each wallpaper pattern.

Next, you’ll need to determine the width and height of each strip of **Wallpapering**** **that will cover your walls. This is done using the wallpaper’s length and width, and its vertical pattern repeat (a half drop or drop match), if applicable.

As you’re measuring, don’t forget to take into account any doors or windows that you will be using. This will ensure that you get an even number of usable strips per roll.

You should also take note of the lot, run or batch number, which tells you which pattern is in the roll. This will help you avoid purchasing wallpaper that isn’t consistent in color.

Taking the time to accurately measure your walls will help you save money on waste and will make your wallpaper look professional and neat. It’s also a great way to make sure you have enough of any particular pattern for your home, as you can always order more if you’re short.

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## Multiply the Width by the Height

When you're calculating how much wallpaper you need, remember that you have to measure each wall, then multiply the width by the height. Then, you'll need to subtract the area of doors and windows from that number. Once you have this, you'll know how many rolls of wallpaper you need.

In order to calculate how much wallpaper you need, you'll need to use a tape measure and record the lengths and widths of each wall. If you have a lot of walls, you can multiply the numbers together to get an estimate for your entire room.

You'll also need to factor in the pattern repeat of the wallpaper you choose. Most patterns have a pattern repeat that runs every few feet, and some have random repetition. If the pattern repeat is 18 inches or smaller, divide that number by 23; if the pattern repeat is 19 to 25 inches, divide that number by 20.

If you have a lot of windows or doors, you'll need to subtract that area from the total amount. This will give you the amount of wallpaper that's needed for the entire room.

To calculate the area of a wall, multiply the width by the height in feet. For example, a 10 foot wide wall is 120 square feet of surface area. You can then add the lengths of the other walls to calculate the total area of the room.

Next, you need to multiply that number by the usable coverage of the wallpaper. This will give you the number of rolls of wallpaper that you need to cover the whole room.

Generally, it's better to have extra wallpaper than to not have enough, since some rolls can be from different batches. This can cause the wallpaper to have a difference in color.

Once you've determined how much **decor wallpaper**** **you need, it's time to order the product. Most stores sell wallpaper by the roll, and it's available in single and double rolls. When you order the paper, be sure to allow for 5% extra to account for waste. This is because if the pattern drops during installation, there will be waste that needs to be cut off.

## Divide the Height by the Vertical Pattern Repeat

When calculating the amount of wallpaper you need, it is important to consider the height of your walls as well as the vertical pattern repeat. This will determine how many strips you can cut from a single roll of wallpaper.

First, measure your walls and convert all measurements into inches. You can use a folding rule or measuring tape to do this. Make sure that you measure all walls together and not just one wall at a time. This will help ensure that your hanger can wrap the wallpaper around corners without cutting it.

Once you have all of your measurements, divide the height by the vertical pattern repeat to calculate how many strips you can cut from a roll. This will give you an estimate of how many rolls of wallpaper you need to cover the entire width of your walls.

Another way to calculate how much wallpaper you need is to calculate the total square feet of your room. This is easy to do and can be done by using a wallpaper calculator online or at your local wallpaper store.

Typically, most wallpapers are priced and selected in single rolls. However, some wallpapers may be sold in double rolls as a way to save on shipping costs.

If you have a wall that has doors or windows, calculate the area that is taken up by these items and subtract this from your walls to get the surface area. If you have no doors or windows, then multiply the surface area of your walls by 2 to get your surface area in square feet.

This will give you an idea of how many rolls of **self adhesive wallpaper**** **you need to get the look that you want. It is also a good idea to order extra rolls of wallpaper in case you run out before the job is complete.

This is especially important if you are trying to create a seamless look. If you have to trim away a few panels of wallpaper in order to get your final wall width, then the pattern may not line up correctly and it will look messy. It is better to avoid this problem by calculating the number of floor-to-ceiling strips you need based on the size of each wall.

## Multiply the Width by the Number of Drops

To calculate how much wallpaper you need, you have to first measure the width of your walls. You can use a metal measuring tape or a piece of paper to do this.

Now you have your measurements, multiply the width by the number of drops on the roll to get a rough estimate of the total square footage of your wall. This is the same method that most interior designers use to calculate how many rolls they will need for their project.

This is a good rule of thumb, but you should still double check your results. This is particularly important if you have a large project or if you are working with multiple vendors.

The most common mistake people make is calculating the area of the room without deducting for doors, windows and closets. This can cause a big dent in your budget and lead to some awkward snags during installation, especially if you are doing the job on your own.

The best way to calculate how much wallpaper you need is to use a calculator that can be found online. These tools will give you a detailed breakdown of your project and will help you make sure that you have the right amount of paper for the job. The more accurate the estimates are, the better your results will be. You will also want to order your wallpaper from the same manufacturer and batch number so that you are getting a perfect color match.

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