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Hooke's Law Calculator

Enter a spring constant and displacement to calculate the restoring force and stored elastic potential energy.

How to use this tool

  1. 1Enter the spring constant k in N/m.
  2. 2Enter the displacement from equilibrium in meters.
  3. 3See the force and stored energy.

Frequently asked questions

When does Hooke's Law stop applying?+

It only holds within a spring's elastic limit — stretch or compress it too far and the relationship between force and displacement stops being linear.

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