Area and Perimeter Calculator
Choose a shape (rectangle, circle or triangle) and enter its dimensions to calculate its area and perimeter.
Pourquoi utiliser cet outil ?
Calculating the area and perimeter of a shape is a common task, whether for homework, a DIY project, or estimating a surface to paint or tile. This tool covers the most common shapes (rectangle, circle, triangle) and gives an instant, reliable result from their dimensions.
Why it's free
A discreet ad banner covers hosting costs — that's the whole business model. No account to create, no usage limit, no paid tier unlocking the real result. Calculations run in your browser, so your numbers, dates and text never leave your device.
How our tools work