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Enter the data and press the button to do the calculation.
Online Calculator
Spring energy calculator
Enter the spring constant and displacement to calculate E = ½kx².
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Local processing
The values are processed directly in your browser.
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Free
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Frequently asked questions
What is the elastic energy formula?
E = ½kx².
What unit has k?
N/m.
Does it also calculate force?
Yes, it shows |kx|.
When is it valid?
Within the elastic range, where Hooke’s law provides a good approximation of the behavior.