Standard room sizes
What's small, average, and generous for every common residential room.
In this guide
- 1
Living room
Small: 12 × 14 feet. Average: 14 × 18. Generous: 18 × 22+.
- 2
Master bedroom
Small: 12 × 12. Average: 14 × 16. Generous: 16 × 20+.
- 3
Guest bedroom
Small: 10 × 10. Average: 11 × 12. Generous: 12 × 14.
- 4
Kitchen
Galley: 8 × 12 (small) to 10 × 16. L-shape: 10 × 12 minimum. With island: 12 × 14 minimum; 14 × 18 average.
- 5
Bathroom
Half bath: 3 × 6 (4 × 5 average). Full bath: 5 × 8 minimum. Master bath: 8 × 12 average; 10 × 16+ generous.
- 6
Dining room
Small: 10 × 12. Average: 12 × 14. Generous (for entertaining): 14 × 18+.
- 7
Home office
Small: 8 × 10. Average: 10 × 12. Generous: 12 × 14+.
Frequently asked questions
What's the standard living room size?
14 × 18 feet average. 12 × 14 is small but workable.
What's the minimum bedroom size?
10 × 10 feet for a guest bedroom with Full bed; 12 × 12 for Queen-bed master.
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