TOOLS UNIVERSE / πr²

Area & Volume Calculator

Use Area & Volume Calculator online for free — fast, clear and without registration.

Local in your browser · no upload
78.539816Area 31.415927Perimeter
METHOD

Calculation, assumptions and sources

Formula used

A(circle)=πr²; V(cylinder)=πr²h; V(sphere)=4πr³/3

What is included

Calculate area, perimeter, volume and surface area for circles, rectangles, cylinders, spheres and boxes.

Assumptions and limits

Inputs are treated as finite real numbers; rounding and model choices are shown with the result.

GUIDE

Area & Volume Calculator

Calculate area, perimeter, volume and surface area for circles, rectangles, cylinders, spheres and boxes.

Enter the required values or content, adjust the options and then review the detailed result.

FAQ

Frequently asked questions

What can I do with Area & Volume Calculator?

Calculate area, perimeter, volume and surface area for circles, rectangles, cylinders, spheres and boxes.

How do I use Area & Volume Calculator?

Enter the required values or content, adjust the options and then review the detailed result.

Are my data uploaded?

No. Inputs and files for this tool are processed locally in your browser.

Is this tool free?

Yes. Every feature is free and requires no registration.

Does it work on mobile?

Yes. The interface is optimized for iPhone, Android, tablets and desktop computers.