Select a Geometric Shape
Flat Shapes (2D) - Area & Perimeter
3D Shapes - Volume & Surface Area
✨ Professional Features
15+ Geometric Shapes
Flat (2D) and three-dimensional (3D)
Precise Formulas
Certified mathematical calculations
Visual Illustrations
Visual explanations for every shape
For Students & Engineers
Easy professional interface
Instant Results
Calculations in fractions of a second
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❓ Frequently Asked Questions
How do I calculate the area of a square?
Area of a square = Side × Side (or Side²). Perimeter of a square = 4 × Side.
What is the formula for the area of a circle?
Area of a circle = π × Radius². Circumference = 2 × π × Radius.
How do I calculate the volume of a cube?
Volume of a cube = Side³. Surface area = 6 × Side².
What is the difference between area and volume?
Area = measurement of flat (2D) shapes in square units (cm²). Volume = measurement of 3D shapes in cubic units (cm³).
How do I calculate the volume of a cylinder?
Volume of a cylinder = π × Radius² × Height. Surface area = 2π × Radius × (Radius + Height).
What is the value of π (pi)?
π (pi) = 3.14159265… Our calculator uses Math.PI = 3.141592653589793 for maximum precision.
How do I calculate the area of a triangle?
Area of a triangle = (Base × Height) ÷ 2.
Is the calculator accurate enough for exams?
Yes! We use the standard mathematical formulas approved in academic curricula.