Professional-grade tools to help you plan your perfect room. Calculate square footage, find the ideal TV size, figure out paint quantities, and more—all free, no account needed.
Calculate your room's square footage and discover what furniture fits perfectly in your space.
Find the perfect TV size for your viewing distance, or calculate the ideal seating position for your TV.
Calculate the perfect spacing between furniture pieces for comfortable, functional room layouts.
Calculate exactly how much paint you need for your room. No more guessing or extra trips to the store.
Calculate exactly how much flooring material you need, including waste allowance for cuts and mistakes.
Find the perfect rug size for any room. Get professional placement recommendations and visual guides.
Know exactly how much paint, flooring, or furniture you need before shopping. Avoid costly mistakes and multiple trips to the store.
Each calculator includes professional interior design standards and recommendations—the same rules designers use.
Whether buying a new TV or choosing a rug, get the sizing right the first time. No returns, no disappointments.
Use these calculators alongside our room planning app to visualize your space in 2D and 3D before making changes.
These calculators give you the numbers. Our room planner lets you see exactly how everything fits together—draw your room, add furniture, and explore in 3D.