Circumference of a circle in inches = 2*radius*pi or diameter*pi
Both radius and diameter must be in inches
Chat with our AI personalities
To calculate the diameter from the circumference, divide the circumference by pi - π 6' = 72 inches. 72 / π = 22.9 inches
7 foot circumference X 12 inches/foot = 84 inches in circumference
A circumference of 6.28 inches measures exactly 6.28 inches!
about 12.57 inches
you have to quote the diameter or radius or circumference of the circle to calculate the area. If diameter 78.53. If radius 314.15. If circumference 7.95