12×15 Room Square Feet
A 12 ft by 15 ft rectangular room has 180 square feet of floor area.
Quick answer
180 sq ft
With 5% waste189.0 sq ft
With 10% waste198.0 sq ft
With 15% waste207.0 sq ft
How this works
For a rectangular room, multiply length by width: 12 × 15 = 180 square feet. Flooring and tile projects usually require an additional waste allowance.
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