How to Calculate Perimeter of a ring?
Perimeter of a ring calculator uses Perimeter=2*pi*(Outer Radius+Inner Radius) to calculate the Perimeter, Perimeter of a ring is the sum of the length of the ring all around. Perimeter and is denoted by P symbol.
How to calculate Perimeter of a ring using this online calculator? To use this online calculator for Perimeter of a ring, enter Outer Radius (R) and Inner Radius (r) and hit the calculate button. Here is how the Perimeter of a ring calculation can be explained with given input values -> 0.942478 = 2*pi*(0.1+0.05).