GlenCalc

Spring force calculator

Within its elastic limit a spring’s force is proportional to how far it is stretched or squeezed.

Your answer

Force10 N
Stored energy0.25 J

Worked out in your browser. Nothing you type is sent to a server.

How we worked it out

Updated as you change the numbers.

  1. F = k × x; E = ½kx²; k = F ÷ x.

Method and assumptions

Real springs stop obeying Hooke’s law past their elastic limit.

Questions

What force does a 200 N/m spring exert stretched 5 cm?

10 N, storing 0.25 J.

Sources

Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.

Embed this calculator on your site

Free to use. Paste this where you want the calculator; it runs in your visitors’ browsers, sets no cookies and sends nothing to us.

Related calculators