Free online tool
Square footage calculator
Measure each room, and get the total floor area in square feet, square metres and square yards, with an optional cost.
Works in your browserNothing is sent anywhereNo sign-upFree
Measured in
| Room | Length | Width | Area |
|---|
Total–
In square metres–
In square yards–
Price per
Estimated cost–
Questions
Good to know
How do I work out square footage?
Multiply the length by the width of each room in feet, then add the rooms together. A 12 × 10 ft room is 120 ft².
Why add extra for waste?
Flooring and tiles get cut to fit, so buy about 5–10% more (15% for diagonal patterns).

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