📐 Square Footage Calculator
Calculate area in square feet
How Square Footage is Calculated
- 1Rectangle: Length × Width.
- 2Circle: π × radius².
- 3Triangle: ½ × base × height.
- 4Trapezoid: ½ × (side A + side B) × height.
- 51 square foot = 0.0929 square meters.
About Square Footage Calculator
Calculate square footage for rectangles, circles, triangles, and trapezoids. Convert to square meters and estimate material costs per square foot.
Frequently Asked Questions
How do I calculate square footage of a room?
Measure the length and width in feet, then multiply them. A 12 × 15 room = 180 sq ft.
How do I convert square feet to square meters?
Multiply square feet by 0.0929. Example: 200 sq ft × 0.0929 = 18.58 m².
How much flooring do I need?
Calculate the square footage of each room, add them up, then add 10% for waste and cuts.