How to measure a room
Rectangular rooms
Measure the length and width at the widest points in feet, then multiply: Length × Width = Square Footage. Include closets and alcoves if they share the same floor.
Need to work backwards from sq footage? Try our room dimension calculator.
Common room sizes (US)
- Small bedroom100–150 sq ft
- Standard bedroom150–200 sq ft
- Master bedroom200–300 sq ft
- Living room250–400 sq ft
- Dining room100–180 sq ft
- Kitchen100–200 sq ft