Spring Surge Frequency Calculator
Estimate the first axial surge frequency of a uniform helical compression spring from wire and coil parameters.
A QUICK WALKTHROUGH
How to use this tool
- Enter values in the displayed units.
- Review the model assumptions and formula.
- Calculate locally in your browser.
Model and assumptions
fₛ≈d/(2πnD²)√(G/(2ρ)), using wire diameter d, mean coil diameter D, active coils n, shear modulus G, and density ρ. Approximate ideal model; end effects excluded. This calculation is not a machine safety, structural, or equipment approval.
Privacy
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GOOD TO KNOW
Common questions
Does this assess resonance safety?
No. It evaluates the stated idealized model only.