Area Calculator
Calculate the area of common shapes — circle, rectangle, triangle, trapezoid, ellipse, and more.
How to Use the Area Calculator
- 1
Select shape
Choose the geometric shape you want to calculate area for.
- 2
Enter dimensions
Input the required measurements (radius, length, width, height, etc.).
- 3
View area result
See the area calculated with the formula shown.
💡 Tips & Tricks
- •Always use the same unit for all measurements before calculating.
- •For irregular shapes, break them into simpler shapes and sum the areas.
- •Use Heron's formula when you know all three sides but not the height of a triangle.
Frequently Asked Questions
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