Hooke's Law Calculator

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Calculates the force exerted by a spring based on its spring constant and displacement.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Spring Constant (k) and Displacement (x) in the units shown.

Step 2

Read Force (F) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Spring Constant (k): 5 N/m; Displacement (x): 0.05 m

Force (F): 0.25 N

Spring Constant (k): 5 N/m; Displacement (x): 0.2 m

Force (F): 1 N

Spring Constant (k): 20 N/m; Displacement (x): 0.1 m

Force (F): 2 N

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