Area & Volume Calculator

Area and volume formulas for the common shapes - circle, square, rectangle, triangle, sphere, cylinder, cone, and more. Just pick a shape, enter the dimensions you have, and get the result without looking up a formula.

How to use

  1. Pick the shape you're working with from the list.
  2. Fill in whatever dimensions you have - radius, length, height, base, etc.
  3. Click Calculate and get area or volume instantly. Units are whatever you entered, squared or cubed.