Divide the circumference by Pi (about 3.1416). The result is the diameter:
Chat with our AI personalities
Divide the known circumference by pi to find the diameter of the circle.
To Find Diameter:Multiply circumference by 0.3183, ordivide circumference by 3.1416Other things to do with circles:To find Circumference:Multiply diameter by 3.1416, ordivide diameter by 0.3183To Find Radius:Divide diameter by 2, ormultiply circumference by 0.15915, ordivide circumference by 6.28318
The equivalent of a "perimeter" in a circle is actually called its circumference. To get the diameter, just divide the circumference by pi.
The circumference of a circle with an 81.6 cm diameter is: 256.4 cm
Circumference = 2*pi*radius or diameter*pi