Square Footage Calculator
Work out the square footage of up to four rooms or areas, then see the total. Useful for flooring, paint, tile and any project priced by the square foot.
Result
- Room 1
- Room 2
- Room 3
- Room 4
- Total area
- In square yards
- In square meters
Results are rounded for ordering. Check product labels for exact coverage.
How to use this
For L-shaped rooms, split the space into two rectangles and enter each as a separate room.
Measure at floor level along the longest wall in each direction, and round up to the nearest half foot.
Ready to price the job? Try the LVP Flooring cost calculator for installed prices with materials and labor.
Common questions
How do I calculate square feet?
Multiply the length of a space by its width, both in feet. A 12 by 15 foot room is 180 square feet.
How much extra should I add for flooring?
Most installers add 5 to 10 percent for cuts and waste, more for diagonal or patterned layouts.
How many square feet are in a square yard?
Nine. Carpet is often priced per square yard.