Flooring Calculator
Plan a flooring project with confidence. Enter your room dimensions, waste allowance and price to get the area and total cost.
How it works
- 1
Enter room dimensions
Length and width of the room.
- 2
Add a waste allowance
Extra material for cuts and mistakes, usually 10%.
- 3
Add the price
Cost per square unit to see the total.
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Frequently asked questions
10% is typical for a simple rectangular room; more for diagonal layouts or many cuts.
Estimating flooring area and cost
Base area is length × width. Adding a waste allowance (commonly 10%, more for diagonal layouts or complex rooms) gives the area to actually buy, and multiplying by the price per unit gives the total cost.
Flooring is usually sold by the box or roll covering a fixed area, so round up to the nearest full unit your supplier sells.