Convert Circles to Revolutions

Enter your circle value in the form below to get the value calculated in revolutions.

Results in Revolutions:

1 cir = 1 r

How to Convert Circles to Revolutions Using an Easy Conversion Formula

Protractors are often used to measure angle

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Convert circles to revolutions with this simple formula:

revolutions = circles × 1

Converting a circle angle measurement to a revolution measurement involves multiplying your angle by the conversion ratio to find the result. A circle is equal to 1 revolutions, so to convert simply multiply by 1.

For example:

5 cir = (5 × 1) = 5 r

Circles and revolutions are both units used to measure angle. Learn more about angle and find more angle measurement conversion calculators. A circle is an angle measurement and can be abbreviated as cir, for example 1 cir. A revolution is an angle measurement and can be abbreviated as r, for example 1 r.

A circle is the equivalent of 1 revolution around a circle, or 360°.

circles and revolutions are units used to measure angle

Convert Revolutions to Circles

Circle Measurements and Equivalent Revolution Conversions

Common circle values converted to the equivalent revolution value
Circles	Revolutions
1 cir	1 r
2 cir	2 r
3 cir	3 r
4 cir	4 r
5 cir	5 r
6 cir	6 r
7 cir	7 r
8 cir	8 r
9 cir	9 r
10 cir	10 r
11 cir	11 r
12 cir	12 r
13 cir	13 r
14 cir	14 r
15 cir	15 r
16 cir	16 r
17 cir	17 r
18 cir	18 r
19 cir	19 r
20 cir	20 r
21 cir	21 r
22 cir	22 r
23 cir	23 r
24 cir	24 r
25 cir	25 r
26 cir	26 r
27 cir	27 r
28 cir	28 r
29 cir	29 r
30 cir	30 r
31 cir	31 r
32 cir	32 r
33 cir	33 r
34 cir	34 r
35 cir	35 r
36 cir	36 r
37 cir	37 r
38 cir	38 r
39 cir	39 r
40 cir	40 r