Rug Size Calculator

Find a rug size that leaves a border around the room.

Rug length 11
Rug width 9

Formula: rug = room − 2 × border

Step-by-step with your numbers:
1. Values used:
2. Room length = 14
3. Room width = 12
4. Border each side = 1.5
5.
6. Rug length = 11
7. Rug width = 9
Did we solve your problem today?

Pick a rug that leaves an even border of floor showing.

How the Math Works

The Rug Size Calculator uses the formula rug = room − 2 × border to determine the ideal rug dimensions. This calculation subtracts twice the desired border width from each dimension of the room (length and width) to ensure a consistent border surrounds the rug. For example, if your room is 12 feet wide and you want a 1-foot border on each side, the rug width becomes 12 − (2 × 1) = 10 feet. This ensures the rug fits proportionally within the room while maintaining the specified border on all sides.

Practical Applications

To use this calculator, start by measuring your room's length and width accurately. Decide how much border space you prefer (e.g., 6 inches, 1 foot) to leave visible around the rug. Input these values into the calculator, and it will automatically compute the optimal rug size by applying the formula to both dimensions. This eliminates guesswork and ensures your new rug complements your room’s layout, whether for living spaces, bedrooms, or entryways.

Day-to-Day Use

This tool simplifies home decor decisions by helping you avoid costly mistakes like purchasing a rug that’s too large or too small. A properly sized rug enhances room proportions, creates visual balance, and defines functional zones (like a seating area or dining space). It also saves time during shopping, as you’ll know exactly what dimensions to look for, ensuring your furniture placement aligns with the rug’s edges and the room’s architecture for a cohesive, inviting space.

Worked example

14×12 ft room, 1.5 ft border → 11×9 ft rug.

FAQ

Living room?

The front legs of furniture usually sit on the rug.