Math
Area Calculator
Areas of common shapes.
Result
50.000
square units
Download results
Quick summary
Compute the area of a rectangle, circle, triangle, or trapezoid.
How to calculate area manually
- Rectangle: w·h.
- Circle: π·r².
- Triangle: ½·b·h.
- Trapezoid: ½·(a+b)·h.
Compute the area of a rectangle, circle, triangle, or trapezoid.
How it works
Rectangle: w·h. Circle: π·r². Triangle: ½·b·h. Trapezoid: ½·(a+b)·h.
Example
Rectangle 10 × 5 → area 50.
Was this calculation accurate and helpful?
Your anonymous feedback helps us improve every Calcly tool.
Math hub
Next steps
Keep momentum going with these recommended calculators.
Popular calculators
The most-used tools on Calcly.