How to Measure a Room for Wallpaper and Avoid Waste

Accurate measurements are the foundation of a successful wallpaper installation. If you miscalculate—even slightly—you could end up with too little wallpaper, mismatched patterns, or costly waste. Running out of material midway through installing wallpaper can cause frustrating delays and color inconsistencies between dye lots. That’s why learning how to measure a room for wallpaper properly is one of the most important steps of the process.

Measuring for wallpaper is more than just making a wild guess. It requires understanding multiple factors, such as the room’s dimensions and the presence of doors and windows. Overlooking pattern repeats or the actual coverage area of a roll can easily throw off your calculations, leading to avoidable mistakes during wallpaper installation.

Knowing how to measure for wallpaper correctly can also help you make smarter buying decisions. By understanding roll coverage and pattern repeats, you’ll be able to purchase what you need—potentially saving you a lot of time, money, and headaches. Plus, proper measurements help ensure a smooth, professional-looking finish that enhances the beauty of your home or commercial space.

To make the process even easier, the ROMAN team has put together a step-by-step guide below that walks you through the process of measuring for wallpaper installations with confidence. This wallpaper measuring guide will help you avoid common pitfalls and ensure you order the right amount of wallpaper for your project. You can also use ROMAN’s handy online wallpaper calculator to double-check your estimates and plan your project more precisely.

Once you’ve measured your space, don’t forget that ROMAN carries everything you need for a long-lasting result, including the best wallpaper adhesives available today. We also carry a full range of high-quality wallpaper primer options. Explore our online product catalog to find premium products trusted by DIYers and professionals alike!