Area Calculator
Choose a flat shape and enter its dimensions to find its area.
Runs in your browser — nothing is uploaded—
Details
How to use Area Calculator
- Choose a shape.
- Enter its dimensions in any unit.
- Read the area, perimeter or volume.
Example: A 4 by 3 rectangle has area 12 square units.
Questions
Which units should I enter?
Keep all dimensions in the same unit. The area is in that unit squared; perimeter is in the original unit.