Area Calculator
Calculate the area of common shapes.
Area
Perimeter
Formula Used
Area Formulas
| Shape | Formula |
|---|---|
| Rectangle | A = l × w |
| Circle | A = πr² |
| Triangle | A = ½ × b × h |
| Trapezoid | A = ½(a + b) × h |
| Ellipse | A = πab |
Calculate the area of common shapes.
| Shape | Formula |
|---|---|
| Rectangle | A = l × w |
| Circle | A = πr² |
| Triangle | A = ½ × b × h |
| Trapezoid | A = ½(a + b) × h |
| Ellipse | A = πab |