16 × 20 ft room in other units
A big family room, a garage bay or a workshop is about this size. The area is length times width: 16 × 20 = 320 sq ft. Measure to the walls at the longest point, and add closets and alcoves you will floor.
| Unit | This room |
|---|---|
| Square feet | 320 sq ft |
| Square yards | 35.56 sq yd |
| Square meters | 29.73 sq m |
| Perimeter (around the walls) | 72 ft |
| Acres | 0.00735 acres |
What to buy for 320 sq ft
| Material | Amount |
|---|---|
| Flooring (10% waste, 20 sq ft boxes) | 352 sq ft, 18 boxes |
| Carpet (10% extra) | 39.2 sq yd |
| 12 × 12 in tiles (10% waste) | 352 tiles |
| Baseboard (perimeter, less doorways) | about 72 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 | 336 sq ft | 17 |
| 10% waste | 352 sq ft | 18 |
| 15% waste | 368 sq ft | 19 |
Use the square footage calculator for L-shaped rooms, circles and triangles, or the flooring calculator and flooring for a 16x20 room 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
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Frequently asked questions
How many square feet is a 16x20 room?
320 square feet (16 ft × 20 ft). That is 35.56 square yards or 29.73 square meters.
How many square feet of flooring do I need for a 16x20 room?
The floor is 320 sq ft, so buy about 352 sq ft with 10% for cuts and waste. That is 18 boxes at 20 sq ft a box.
How much carpet is a 16x20 room?
35.56 square yards of floor, so about 39.2 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.