How Many Square Feet Is a 10x10 Room?
A 10 ft × 10 ft room equals 100 square feet. Use the calculator below to double-check or customize with waste and cost.
Last updated:Tip: If you only have the diameter, divide by 2 to get the radius.
L-shape = two rectangles sharing a corner.
Add one row per rectangle and we'll sum them.
Key Measurements for a 10x10 Room
| Metric | Value |
|---|---|
| Floor area | 100 sq ft |
| Floor area (m²) | 9.29 m² |
| Floor area (sq yd) | 11.11 sq yd |
| Perimeter | 40 ft |
| Wall area (8 ft ceiling) | 320 sq ft |
| Wall area (9 ft ceiling) | 360 sq ft |
| Wall area (10 ft ceiling) | 400 sq ft |
Common Uses for a 10x10 Space
- small bedroom
- den
- utility room
At 100 sq ft, this falls in the small category — typical for bedrooms, offices, or utility rooms.
How Much Flooring Will You Need?
For a 10' × 10' room, buy enough flooring to cover 100 sq ft plus a waste allowance:
| Flooring Type | Waste % | Buy This Much |
|---|---|---|
| Laminate / LVP (plank) | 10% | 111 sq ft |
| Hardwood | 10% | 111 sq ft |
| Ceramic tile (straight) | 10% | 111 sq ft |
| Ceramic tile (diagonal) | 15% | 115 sq ft |
| Carpet | 10% | 111 sq ft (13 sq yd) |
Need an exact estimate? Use our Flooring Calculator for plank count, or the Tile Calculator for boxes of tile.
How Much Paint for a 10x10 Room?
With 8 ft ceilings you'll paint about 320 sq ft of wall. A gallon covers ~350 sq ft, so you'll need 1 gallon per coat. Plan on two coats for a color change.
Detailed breakdown on our Paint Calculator.
Is a 10x10 Room Big?
This is a small room, typical of a child's bedroom or home office. It meets the minimum for a "legal bedroom" in most municipalities (at least 70 sq ft of floor area with one horizontal dimension of 7 ft).
How Much Does It Cost to Build a 10x10 Room?
At typical US rates of $150–$300 per sq ft for new construction, a 10x10 addition would cost roughly $15,000–$30,000. For remodels:
- Basic flooring replacement: $300–$1,000
- Mid-range remodel: $5,000–$10,000
- Full gut renovation: $10,000–$25,000
Refine with our Cost per Square Foot Calculator.
Frequently Asked Questions
How many square feet is 10x10?
10 × 10 = 100 square feet.
How many square meters is 10x10?
9.29 m².
How many tiles will fit in a 10x10 room?
Depends on tile size. 12"×12" tiles = 111 tiles (with 10% waste). See our Tile Calculator for 6", 18", and 24" sizes.
How much carpet do I need for a 10x10 room?
11.11 sq yd minimum, or 12.22 sq yd with 10% waste for cuts and seams.