What value of π is used?

Answers use π ≈ 3.14 and are rounded to two decimal places.

How do I print or save these worksheets as a PDF?

Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.

Can I get a fresh set of problems?

Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.

Is this worksheet generator free?

Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.

Circumference worksheet generator

Circle circumference using C = 2πr or C = πd, with answers rounded to two decimals.

Circumference of a Circle

Name: Date:

1.
Radius = 25. Circumference = ___
2.
Radius = 9. Circumference = ___
3.
Radius = 13. Circumference = ___
4.
Radius = 21. Circumference = ___
5.
Radius = 14. Circumference = ___
6.
Radius = 10. Circumference = ___
7.
Radius = 3. Circumference = ___
8.
Radius = 20. Circumference = ___
9.
Radius = 25. Circumference = ___
10.
Radius = 21. Circumference = ___
11.
Radius = 13. Circumference = ___
12.
Radius = 24. Circumference = ___
13.
Radius = 23. Circumference = ___
14.
Radius = 25. Circumference = ___
15.
Radius = 17. Circumference = ___
16.
Radius = 7. Circumference = ___
17.
Radius = 13. Circumference = ___
18.
Radius = 9. Circumference = ___
19.
Radius = 20. Circumference = ___
20.
Radius = 22. Circumference = ___

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Circumference of a Circle — Answer Key

Name: Date:

1.
Radius = 25. Circumference = ___
157
2.
Radius = 9. Circumference = ___
56.52
3.
Radius = 13. Circumference = ___
81.64
4.
Radius = 21. Circumference = ___
131.88
5.
Radius = 14. Circumference = ___
87.92
6.
Radius = 10. Circumference = ___
62.8
7.
Radius = 3. Circumference = ___
18.84
8.
Radius = 20. Circumference = ___
125.6
9.
Radius = 25. Circumference = ___
157
10.
Radius = 21. Circumference = ___
131.88
11.
Radius = 13. Circumference = ___
81.64
12.
Radius = 24. Circumference = ___
150.72
13.
Radius = 23. Circumference = ___
144.44
14.
Radius = 25. Circumference = ___
157
15.
Radius = 17. Circumference = ___
106.76
16.
Radius = 7. Circumference = ___
43.96
17.
Radius = 13. Circumference = ___
81.64
18.
Radius = 9. Circumference = ___
56.52
19.
Radius = 20. Circumference = ___
125.6
20.
Radius = 22. Circumference = ___
138.16

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Frequently asked questions

What value of π is used?: Answers use π ≈ 3.14 and are rounded to two decimal places.
How do I print or save these worksheets as a PDF?: Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.
Can I get a fresh set of problems?: Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.
Is this worksheet generator free?: Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.