Protractors are often used to measure angle

Convert Circles to Revolutions

Convert from circles to revolutions with this simple formula:
revolutions = circles × 1
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1 Circle = 1 Revolutions

Learn How to Convert Circles to Revolutions Using our Conversion Formula

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, 5cir = (5 × 1) = 5r.

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 1cir. A revolution is an angle measurement and can be abbreviated as r, for example 1r.

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

More Angle Conversions

Convert to Degrees Angle
1cir is equal to 360 degrees
Convert to Radians Angle
1cir is equal to 6.283185 radians
Convert to Grad Angle
1cir is equal to 400 grad
Convert to Mils Angle
1cir is equal to 6,400 mils

Circle Measurements and Equivalent Revolution Conversions

Common circle values converted to the equivalent revolution value
Circles Revolutions Circles Revolutions Circles Revolutions
1 1 21 21 41 41
2 2 22 22 42 42
3 3 23 23 43 43
4 4 24 24 44 44
5 5 25 25 45 45
6 6 26 26 46 46
7 7 27 27 47 47
8 8 28 28 48 48
9 9 29 29 49 49
10 10 30 30 50 50
11 11 31 31 51 51
12 12 32 32 52 52
13 13 33 33 53 53
14 14 34 34 54 54
15 15 35 35 55 55
16 16 36 36 56 56
17 17 37 37 57 57
18 18 38 38 58 58
19 19 39 39 59 59
20 20 40 40 60 60