Area Calculator
Calculate area and perimeter for rectangles, circles, triangles and trapezoids in sq ft and sq m.
How to Use This Area Calculator
- 1Select a shape
- 2Enter dimensions
- 3Click Calculate
- 4See area and perimeter in sq ft and sq m
Formula
Rectangle: L×W. Circle: πr². Triangle: ½bh. Trapezoid: ½(a+b)h.
Frequently Asked Questions
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About Area Calculator
Select a shape and enter dimensions to calculate area in both square feet and square meters, plus perimeter. Supports common geometric shapes.