Circle Perimeter Calculator
MathFind the perimeter of a circle from its radius, along with its diameter and area.
Perimeter
The distance around the circle, also called its circumference
Diameter
20.0000
The distance across the circle through its center
Area
314.1593
The space enclosed by the circle
Found this calculator useful?
From Scratch To $10K/Month In 60 Days
This is a proven money making system that takes students by the hand to make at least $10,000 per month, every month. Students get 12 weeks of guided coaching in addition to the "MPS Super Funnel" and tools.
We value your privacy and promise not to sell or misuse your information. Here's our privacy policy.
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Math calculators
Frequently Asked Questions
Is perimeter the same as circumference for a circle?
Yes, perimeter is the general term for the boundary length of any shape, and circumference is simply the name used specifically for a circle boundary.
What is the perimeter of a circle with a 10 unit radius?
A circle with a radius of 10 has a perimeter of about 62.83 units.
What formula finds the perimeter of a circle?
The perimeter equals 2 times pi times the radius, the same formula used for circumference.
Spot a mistake? Tell us what's wrong.
Request a calculator. The most-requested ones get built first in our monthly batch.
Request a calculatorWant this calculator on your website?
Embed the Circle Perimeter Calculator on any site — no code needed. Customize colors, remove branding, and track usage.
