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How Much Wallpaper Do I Need? A Complete Step-by-Step Guide

How Much Wallpaper Do I Need? A Complete Step-by-Step Guide

by Danielle Hardy in Urbanwalls Blog

Looking to upgrade your walls with a splash of personality but wondering, "How much wallpaper do I need?" You’re not alone—and we’ve got you. Figuring out how much wallpaper to order might sound intimidating, but we promise it’s easier than deciding on a pattern (seriously, there are so many good ones).

In this guide, we’re going to walk you through the simple steps to calculate the perfect amount of wallpaper for your space. Whether you want to use our super-simple wallpaper calculator or prefer a little DIY math moment, you’re covered. Let’s roll (pun very much intended)!

Using the Wallpaper Calculator: Your New Best Friend

Let’s talk about your soon-to-be favorite tool: our wallpaper calculator. It lives right on every wallpaper listing on our site and is truly the fastest way to go from "Hmm, how many rolls?" to "Add to cart."

How it Works

All you need is a measuring tape and about 60 seconds:

  1. Measure the width of your wall in inches.
  2. Plug that number into our wallpaper calculator.
  3. Select your desired wallpaper height (we offer multiple standard options).
  4. Boom. The calculator instantly tells you how many double rolls you’ll need.

No spreadsheets. No stress. No accidentally ordering enough wallpaper to wrap your car (unless that’s your vibe).

Pro Tip: The calculator accounts for pattern repeats, panel widths, and a little extra just in case—so it’s incredibly accurate.

Prefer to Double-Check Manually? Here's How to Estimate Wallpaper Yourself

If you're more of a "math it out" type, here’s how to estimate wallpaper the good ol' fashioned way.

Step-by-Step Manual Measurement:

  1. Measure the width of your wall in inches.
  2. Add 6 inches to your measurement for safety (this gives you a little bleed for trimming).
  3. Divide the total width by:
  • 23 if you’re using peel and stick or pre-pasted wallpaper
  • 21 if you’re using textured wallpaper

The result = the number of panels you’ll need. Since each double roll contains two panels, divide the number of panels by 2 to find the number of double rolls.

Example Time:

Let’s say your wall is 132 inches wide.

  1. 132 + 6 = 138 inches
  2. 138 á 23 = 6 panels
  3. 6 panels á 2 = 3 double rolls
  4. Simple math, big results.

Odd Number of Panels? Use the extra panel for lining a drawer, wrapping a bookcase, or adding a fun surprise inside a closet. It’s like bonus décor!

A woman in a cream sweater installs a blue medallion-patterned peel-and-stick wallpaper panel. She smooths the wallpaper onto the wall using her hands while standing near a ladder. The floral and geometric pattern is soft and vintage-inspired.

Why Removable Wallpaper is a Total Game-Changer

If you're wondering whether wallpaper is worth the effort, let us just say: removable wallpaper is the renter-friendly, commitment-free design upgrade of your dreams.

Benefits of Removable Wallpaper:

  • Easy to apply and remove—no glue, no mess
  • Perfect for renters or indecisive decorators
  • Great for feature walls, ceilings, furniture accents, and more
  • Damage-free removal (your walls will thank you!)

It’s the makeover without the mayhem.

Ready to see it in action? Explore our wallpaper collection and discover how easy transformation can be!

A woman stands on a ladder applying a long panel of blue medallion-patterned peel-and-stick wallpaper. She uses a smoothing tool to press the wallpaper onto the wall. The wallpaper features a soft, floral medallion design in muted blue and beige tones.

Not Sure Where to Start? Try Our Wallpaper Guide

Whether you're new to wallpaper or just looking for some styling inspo, we’ve got your back. Our Wallpaper Guide is packed with helpful tips, style ideas, and FAQs to help you feel confident and inspired.

And if you’re ever stuck, our team is just a click away. Don’t hesitate to reach out—we LOVE helping you find the perfect match for your space.

Ready to Transform Your Space?

We told you it was easy. Between our ultra-handy wallpaper calculator and the option to estimate it yourself, figuring out how much wallpaper you need doesn’t have to be a hassle.

So grab that tape measure, check out your favorite patterns, and start visualizing your dream walls. Whether you're wallpapering a full room or adding a pop of color to an accent wall, you're only a few rolls away from wow.

Start your transformation today—shop our wallpaper collection and turn those blank walls into something beautiful.

A woman sits on a step ladder and looks up at a fully installed blue medallion-patterned wallpaper. The wallpaper features a soft, symmetrical floral and ornamental design in pastel blue and cream tones. She wears a cream knit sweater and tan pants, and the setting has a calm, reflective atmosphere.

 

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