Spring Stored Energy CalculatorFree online science calculator — instant results, no sign-up
Compute ideal elastic energy in a linear spring.
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About the Spring Stored Energy Calculator
Compute ideal elastic energy in a linear spring. Idealized model using the displayed units; not an engineering safety specification. Confirm the assumptions before using measured data. Within the spring’s elastic linear range.
- Spring constant
- Enter spring constant in N/m. Accepted minimum: 0.
- Extension
- Enter extension in m. Accepted minimum: 0.
Formula and method
Result = 0.5 * spring * extension ** 2 [J]
- springSpring constant (N/m)
- extensionExtension (m)
Compute ideal elastic energy in a linear spring. Substitute the variables using the units defined above. Idealized model using the displayed units; not an engineering safety specification. Confirm the assumptions before using measured data. Within the spring’s elastic linear range.
Worked example
These are the calculator's starting values and the results it actually produces for them.
Inputs
- Spring constant200 N/m
- Extension0.1 m
Results
- Result1 J
How to use the Spring Stored Energy Calculator
- 1Enter spring constant in N/m.
- 2Check extension.
- 3Read the J result and compare the stated assumptions with your situation.
Reading your result
Compute ideal elastic energy in a linear spring. The displayed quantity is J. A negative value, when the formula permits one, describes the direction of the difference—not a positive gain.
Limitations
Idealized model using the displayed units; not an engineering safety specification. Confirm the assumptions before using measured data. Within the spring’s elastic linear range. Numeric results are rounded for display; the calculation does not establish that your chosen inputs represent a realistic or permitted scenario.
Common questions
Which units does Spring Stored Energy require?+
Spring constant: N/m; Extension: m. Do not mix incompatible units.
What assumptions matter for Spring Stored Energy?+
Idealized model using the displayed units; not an engineering safety specification. Confirm the assumptions before using measured data. Within the spring’s elastic linear range.
How should I check a Spring Stored Energy result?+
Use the formula above with the shown starting inputs and compare the worked example generated from the tool. Check the original measurements and terms before using the figure.
Does the calculator save my information?+
Calculations run in your browser. While signed in, inputs and results are automatically recorded in account history; saving a result creates a separate saved record.
Further reading
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Results are estimates for informational purposes and are not financial, medical or legal advice.