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Cantilever Deflection Calculator

Compute tip deflection δ = PL³/(3EI) of a cantilever under end load.

Input Data

Input End load P.
N
Input Length L.
m
Input Modulus E.
Pa
Input Second moment I.
m⁴

Results

0.001333m
δ = PL³/(3EI) = 0.001333 m

At a glance:Cantilever Deflection Calculator: enter parameters to compute results; complements related calculators.

Formula

δ = P L³ / (3 E I)

δ: tip deflection, P: end point load

How to Use

  1. Enter end load P and length L.
  2. Enter modulus E and second moment I.
  3. Get tip deflection δ.

Case Studies

Steel cantilever, 100 N

P=100, L=2, E=200e9, I=1e-6 → δ≈1.33×10⁻³ m.

FAQ

Other load cases?

This is for end point load only; uniform load gives δ=wL⁴/(8EI).

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Cantilever Deflection Calculator/physics/cantilever-deflection)。