Flooring Calculator

By HomeAdvisor

Updated February 3, 2021



Area (in ft.)

Whether you’re building the house of your dreams from scratch or installing new flooring on your current home, taking the right measurements is essential to ensure the right amount of materials and stay within budget. Use our flooring calculator or our simple formula to know how much material your project requires and give your flooring contractor the information they need to provide an estimate.

With the information from your flooring area calculator, a local flooring contractor can estimate costs and hours of labor.

On This Page

  1. Calculating Area
  2. Calculating Material Needed
  3. FAQs

Calculating Area

Simply measure the length and width of the room you would like to refloor and multiply these numbers to get the area of your room. Be sure to round up the total square footage to the nearest foot, to make budgeting and purchasing easier. It is also a good idea to add 10% to your square footage, to account for cuts and waste.

Taking accurate measurements is the most important and the easiest part of this process. And the best thing is that this measurement is the same regardless of the material you choose to use. If you are still undecided on the flooring or will choose a material based on estimated costs, this flooring area calculator can help.

Calculating Material Needed

Figuring out how much material you need is a breeze, once you know the area of your room. Materials like hardwood, laminate, tiles and vinyl sheets sell by square footage, so it’s just a matter of buying the same amount from your calculation. With our flooring area calculator, you can also determine exactly how much material you need.

Carpet often sells by square yard. To convert your measurements, just divide the square footage by 9. This will give you the square yards that you need to buy to carpet your room.

Find a carpet installer and ensure the successful completion of your project with a qualified professional.


How much waste do I need for hardwood flooring?

The rule of thumb is to add 10% for installations of under 1,000 square feet. If your installation is more than 1000 square feet, 7% is the appropriate adjustment. For diagonal installations or lower grade hardwood products, 15% is the recommended adjustment.

How much space do you need for hardwood floor installation?

Generally, you should leave a three quarter inch expansion space around the perimeter of your flooring. But this expansion should not affect your square footage measurements.

How long does it take to install vinyl sheet flooring?

It usually takes one to two days to complete vinyl sheet flooring installation. Your installation may require an extra day or two if you live in a humid climate.

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