Calculate the floor area of rooms in square metres (m²) or square feet. Add multiple rooms and estimate flooring, paint, or material costs.
Material Cost Estimator
| Room | Area (m²) | Area (ft²) | % of Total |
|---|
Australia uses the metric system — square metres (m²) for area. However, "square" is an old Australian unit still used informally in real estate (1 square = 9.29 m²). Property floor plans show internal area in m².
| Room | Typical area |
|---|---|
| Main bedroom | 12–16 m² |
| Second bedroom | 9–12 m² |
| Living room | 18–30 m² |
| Kitchen | 10–16 m² |
| Bathroom | 4–8 m² |
| Average 3BR home (total) | 180–220 m² |