About the Square Footage Calculator
A square footage calculator works out the area of a room or space from its length and width, in square feet and square metres. Enter measurements in feet or metres, add the number of rooms, and optionally a price per unit area to get the total material or flooring cost.
How Square Footage Calculator works
Area = length × width × number of areas. 1 m² = 10.7639 ft².
Example: a 12 ft × 10 ft room = 120 ft² (≈ 11.15 m²). At .50/ft² flooring = 0.
Common uses
- Measure a room's area for flooring or paint
- Estimate material quantities and cost
- Convert between square feet and square metres
- Add up several rooms at once
Frequently asked questions
How do I calculate square footage?
Multiply the length by the width. A 12 × 10 ft room is 120 square feet. For several identical rooms, multiply by the count.
How do I convert to square metres?
Divide square feet by 10.7639 (or measure in metres directly).