Square Footage Calculator

Calculate room or house square feet

Square Feet
Square Meters

Square footage: multiply length times width. For irregular shapes, divide into rectangles and sum. Closets and hallways count in total home square footage. Garages and unfinished basements typically don't count. 1 square meter equals 10.764 square feet.

Quick Tips

  • Always order 10-15% extra materials for waste
  • Check local building codes before starting
  • Measure twice, cut once — verify all inputs

Frequently Asked Questions

Multiply length x width in feet. Divide L-shaped rooms into rectangles and add.

Yes, closets, hallways, and interior spaces count in total home square footage.

Finished has HVAC, walls, flooring. Unfinished areas like garages don't count.