Welcome to Math @ STANDS4

All the math you need to succeed — Explore our world of mathematics with a FREE math problem solver, calculators, articles, exercises, worksheets and more!

A circle is a simple closed shape. It is the set of all points in a plane that are at a given distance from a given point, the centre; equivalently it is the curve traced out by a point that moves so that its distance from a given point is constant.

Area = π * radius2

A = π * r2 =
Rate this calculator:(3.75 / 8 votes)


Use the citation below to add this Circle Area to your bibliography:


"Circle Area" Math @ STANDS4. STANDS4 LLC, 2020. Web. 25 Nov. 2020. <http://math.stands4.com/calculators/circle-area>.

Discuss everything about Circle Area with the community:


    We need you!

    Help us build the largest mathematics knowledge base on the web!