How to Calculate Spring Index?
Spring Index calculator uses Spring Index = Mean Coil Diameter of Spring/Diameter of spring wire to calculate the Spring Index, The Spring Index formula is defined as the ratio of mean coil diameter of the spring to the diameter of the spring Wire. Spring Index is denoted by C symbol.
How to calculate Spring Index using this online calculator? To use this online calculator for Spring Index, enter Mean Coil Diameter of Spring (D) & Diameter of spring wire (d) and hit the calculate button. Here is how the Spring Index calculation can be explained with given input values -> 9 = 0.036/0.004.