Slenderness Ratio Calculator
Free calculate column slenderness ratio for buckling analysis. determine λ = l/r or λ = kl/r for structural columns.
Input Parameters
r = √(I/A) where I is moment of inertia and A is area
Results
Enter parameters to calculate slenderness ratio
Slenderness Ratio Formula
Formula
λ = L / r
or
λ = KL / r
Where:
- • λ = slenderness ratio
- • L = length (m)
- • K = effective length factor
- • r = radius of gyration (m)
Classification
- • Short column: λ < 50
- • Intermediate: 50 ≤ λ < 200
- • Long column: λ ≥ 200
- • Euler buckling: λ > critical value