Square Footage Calculator
Calculate area in square feet for any shape. Instantly convert to square meters, acres, and square yards.
Formula: Area = Length × Width
Area Results
Square Feet
0.00 sq ft
Square Meters
0.00 m²
Acres
0.000000
Square Yards
0.00 yd²
Common Size Reference
Parking Space~162 sq ft
Small Bedroom~100 sq ft
1-Car Garage~200 sq ft
Average Living Room~330 sq ft
Tennis Court~2,808 sq ft
How It Works
1
Pick a Shape
Select the shape that best matches the area you need to measure: rectangle, triangle, circle, or trapezoid.
2
Enter Dimensions
Input the relevant measurements in feet. Each shape requires different dimensions like length, width, radius, or height.
3
Get Area & Conversions
See the calculated area in square feet, plus automatic conversions to square meters, acres, and square yards.