Circumference and Area of a Circle Calculator
MathFind both the circumference and the area of a circle at once from its radius.
Circumference
The distance around the circle
Area
314.1593
The space enclosed by the circle
Diameter
20.0000
The distance across the circle through its center
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Odeh Ahwal0people find this calculator helpful
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Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Math calculators
Frequently Asked Questions
How are circumference and area related?
Both are derived from the same radius: circumference equals 2 pi r, while area equals pi r squared, so knowing the radius gives both instantly.
What are the circumference and area of a circle with a 10 unit radius?
A circle with a radius of 10 has a circumference of about 62.83 units and an area of about 314.16 square units.
Which measurement uses squared units and which does not?
Area is always in squared units since it measures a two-dimensional space, while circumference is a length and uses the same units as the radius.
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