Protractors are often used to measure angle

Convert Circles

What would you like to convert circles to? You may choose an imperial or metric unit.
Convert Circles to Degrees
1 circle is equal to 360 degrees
Convert Circles to Radians
1 circle is equal to 6.283185 radians
Convert Circles to Grad
1 circle is equal to 400 grad
Convert Circles to Revolutions
1 circle is equal to 1 revolutions
Convert Circles to Mils
1 circle is equal to 6,400 mils
Circles are a measure of angle. Circle is a angle unit of measure and can be abbreviated as cir. For example 1 circle can be written as 1cir. Learn more about angle and find more unit of measurement conversion tools on the angle measurement conversion page.
Circles unit of measurement conversion

Circles Measurement Conversion Table

Common circle values and equivalent imperial and metric angle measurements
circles degrees radians grad revolutions mils
1 360 6.283185 400 1 6,400
2 720 12.566371 800 2 12,800
3 1,080 18.849556 1,200 3 19,200
4 1,440 25.132741 1,600 4 25,600
5 1,800 31.415927 2,000 5 32,000
6 2,160 37.699112 2,400 6 38,400
7 2,520 43.982297 2,800 7 44,800
8 2,880 50.265482 3,200 8 51,200
9 3,240 56.548668 3,600 9 57,600
10 3,600 62.831853 4,000 10 64,000
11 3,960 69.115038 4,400 11 70,400
12 4,320 75.398224 4,800 12 76,800
13 4,680 81.681409 5,200 13 83,200
14 5,040 87.964594 5,600 14 89,600
15 5,400 94.24778 6,000 15 96,000
16 5,760 100.530965 6,400 16 102,400
17 6,120 106.81415 6,800 17 108,800
18 6,480 113.097336 7,200 18 115,200
19 6,840 119.380521 7,600 19 121,600
20 7,200 125.663706 8,000 20 128,000