Formula and Assumptions
Room area = length x width.
Actual conditions, local rates, product labels, and contractor recommendations can change the final quantity or cost.
Example Calculation
A 12 x 10 ft room is 120 sq ft.
Tips
- Measure wall to wall.
- Split L-shaped rooms into rectangles.
- Use square footage for paint, flooring, rugs, and cleaning estimates.
FAQ
How do I calculate room square footage?
Multiply room length by room width.
What if the room is not rectangular?
Split it into rectangles and add the areas together.
Can I use decimals?
Yes, enter decimal feet for more precise measurements.
Does this estimate materials?
Use the paint or flooring calculators after calculating area.