Perimeter of a Semicircle Calculator

To find the perimeter of a semicircle we need to add the curved section of the semicircle and the length of the diameter at the bottom of the semicircle.
Perimeter of a Semicircle

We can find the perimeter of a semicircle with the help of this below formula:

Perimeter of a Semicircle Formula

R = Radius of the semicircle

Use our below online perimeter of a semicircle calculator to find the perimeter. Enter the radius in the below input box and click calculate to find the answer.

Radius of the Semicircle:
Perimeter of a Semicircle:

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