# What's the Difference between Circle and Circumference?

"Circle" and "circumference" are two geometry terms that often get confused and create big doubts when you have to use them. Although you might think they are synonyms, they are not. Don't worry: here at OneHowTo we'll show you **what is the difference between circle and circumference**.

According to Merriam-Webster's Dictionary, a **circle** is "a perfectly round shape: a line that is curved so that its ends meet and every point on the line is the same distance from the center".

A **circumference**, on the other hand, is "the lenght of a line that goes around something or that makes a circle or other round shape".

So, **what is the difference between circle and circumference**? "Circumference" means the lenght of the line of a "circle". Easy!

So you can understand, in the image you can see below, **the circumference is the exterior line** which is painted in black, while the** inner part** which is painted in blue is the circle, contended within the circumference.

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