Area Calculator
Calculate the area of various geometric shapes with step-by-step solutions.
Select Shape
Enter Measurements
Area Calculation Result
0
Formula will appear here
Calculation Steps
All Shape Formulas
Rectangle
Area = length × width
Square
Area = side²
Triangle
Area = ½ × base × height
Circle
Area = π × radius²
Trapezoid
Area = ½ × (a + b) × height
Parallelogram
Area = base × height
Rhombus
Area = ½ × d₁ × d₂
Ellipse
Area = π × a × b
How to Use the Area Calculator
Step-by-step guide:
- Select the shape you want to calculate the area for
- Choose your preferred unit of measurement
- Enter the required measurements for your selected shape
- Click "Calculate Area" to see the result with step-by-step solution
Supported Shapes:
- Rectangle: Requires length and width
- Square: Requires side length
- Triangle: Requires base and height
- Circle: Requires radius
- Trapezoid: Requires parallel sides (a, b) and height
- Parallelogram: Requires base and height
- Rhombus: Requires both diagonals
- Ellipse: Requires semi-major and semi-minor axes
Important Notes:
- All measurements must be positive numbers
- Results are calculated with high precision
- The calculator shows step-by-step solutions for learning
- Units are consistent throughout the calculation