Room Area Calculator
Area Result
20
m²
215.2782
ft²
Quick Facts
- •Area = Length × Width
- •Add 5–10% wastage for flooring and tile projects
- •A standard parking space ≈ 12 m² (130 ft²)
- •1 m² ≈ 10.764 ft²
Common Room Sizes
| Room | Size (m) | Area (m²) | Area (ft²) |
|---|---|---|---|
| Small Bedroom | 3 × 3 | 9 | 96.9 |
| Master Bedroom | 4.5 × 4 | 18 | 193.8 |
| Living Room | 5 × 4 | 20 | 215.3 |
| Single Garage | 6 × 3 | 18 | 193.8 |
| Double Garage | 6 × 6 | 36 | 387.5 |
| Studio Apartment | 6 × 5 | 30 | 322.9 |
Frequently Asked Questions
How do I calculate room area?
Multiply the room's length by its width in the same unit. For an L-shaped room, split it into two rectangles and add the areas.
What is a good room size in m²?
A small bedroom is about 9 m², a master bedroom 16–20 m², and a living room 20–30 m².
How do I convert room area from m² to ft²?
Multiply by 10.764. For example, 20 m² ≈ 215.3 ft².
What does 'include wastage' mean?
When buying flooring or tiles, add 5–10% extra to the calculated area to account for cuts, breakage, and pattern matching.
How big is 100 sq ft?
100 ft² ≈ 9.29 m², roughly a 10 ft × 10 ft room — a small bedroom or large closet.