Area Calculator
Pick a shape and enter its measurements. The calculator shows the formula, the substitution and the result (exact in terms of π where relevant).
How to use the area calculator
- Choose a shape.
- Enter the measurements in the same unit.
- The area is in square units.
Examples
Circle, r = 5
Answer: 25π ≈ 78.54
Trapezoid, bases 6 and 10, h = 4
Answer: 32