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Helical Spring Index (C) Calculation
Helical Spring Index calculator is used to calculate the Spring Index (C), which is the ratio of Diameters of Spring and Wire. It is a measure of coil curvature which is usually between 3 and 12.
Helical Spring Index Calculator
Code to add this calci to your website  
Just copy and paste the below code to your webpage where you want to display this calculator.
Formula:
C = D/d
Where,
C = Spring Index
D = Spring Diameter
d = Wire Diameter
Thus the Helical Spring Index (C) calculation is made easy. Free Online Physics Calculator.
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