Flooring Calculator

Calculate the square footage and order quantity for any flooring project from the room dimensions and a waste factor.

area
Flooring Needed
— sq ft
Includes waste.

Usage Tip

Measure at the widest points and sketch any alcoves or closets separately, then add their areas in.

THE MATH
area = length × width
order = area × (1 + waste ÷ 100)
This is a general flooring estimator. The room area is length times width, and the order quantity adds a waste allowance for cuts and mistakes.
Enter the room length and width in feet and a waste percentage (10 percent is typical).
The order quantity is also shown in square yards for materials sold that way.
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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.