Mechanics
Spring index
Calculates the ratio of mean coil diameter to wire diameter.
Related calculators
Coil spring rate
Calculates simplified stiffness of a cylindrical helical spring.
Spring solid height
Calculates spring solid height as wire diameter multiplied by total coils.
Spring Wahl factor
Calculates spring index and Wahl factor from coil geometry.
Compression spring available travel
Calculates available travel from free length, solid height, and required clearance.
Helical spring shear stress with Wahl factor
Calculates helical spring shear stress with Wahl correction.
Mass-spring natural frequency
Calculates undamped natural frequency of a mass-spring system.