12 × 15 ft room in other units
A large bedroom or a living room is about this size. The area is length times width: 12 × 15 = 180 sq ft. Measure to the walls at the longest point, and add closets and alcoves you will floor.
| Unit | This room |
|---|---|
| Square feet | 180 sq ft |
| Square yards | 20.00 sq yd |
| Square meters | 16.72 sq m |
| Perimeter (around the walls) | 54 ft |
| Acres | 0.00413 acres |
What to buy for 180 sq ft
| Material | Amount |
|---|---|
| Flooring (10% waste, 20 sq ft boxes) | 198 sq ft, 10 boxes |
| Carpet (10% extra) | 22.0 sq yd |
| 12 × 12 in tiles (10% waste) | 198 tiles |
| Baseboard (perimeter, less doorways) | about 54 ft |
Flooring with different waste allowances
Straight layouts need about 5 to 7%, diagonal layouts 10%, and herringbone or patterns 15%.
| Waste | Flooring to buy | Boxes of 20 sq ft |
|---|---|---|
| 5% waste | 189 sq ft | 10 |
| 10% waste | 198 sq ft | 10 |
| 15% waste | 207 sq ft | 11 |
Use the square footage calculator for L-shaped rooms, circles and triangles, or the flooring calculator for a full flooring estimate.
Want to change anything else? The calculator above is the full Square Footage Calculator: edit any number and the results update instantly.
Tools & materials for this project
Affiliate links As an Amazon Associate we earn from qualifying purchases. These links do not change what you pay.
Frequently asked questions
How many square feet is a 12x15 room?
180 square feet (12 ft × 15 ft). That is 20.00 square yards or 16.72 square meters.
How many square feet of flooring do I need for a 12x15 room?
The floor is 180 sq ft, so buy about 198 sq ft with 10% for cuts and waste. That is 10 boxes at 20 sq ft a box.
How much carpet is a 12x15 room?
20.00 square yards of floor, so about 22.0 sq yd with 10% extra for seams and fitting. Carpet is usually sold in 12 ft rolls, so ask the supplier how it will be cut.
Related sizes and guides
Related sizes
Estimates only. Results assume standard materials and simple shapes. Supplier products vary, and the final call on quantity, structure and safety is yours. Check your local code and your supplier's guidance before ordering.