Damping Parameter Converter

Convert between loss factor η, damping ratio ζ, quality factor Q, logarithmic decrement δ, and half-power bandwidth.

Input Parameter
All Damping Parameters
Loss factor η (approx)
0.0300
Loss factor η (exact)
0.0300
Damping ratio ζ
0.0150
Quality factor Q
33.333
Log decrement δ (approx)
0.0942
Log decrement δ (exact)
0.0943
Half-power bandwidth Δf
5.700Hz
Derived Quantities
Cycles to 10% amplitude
24.431
Abridged Optics — Damping Parameter Converter v1.0Approximate: η = 2ζ = 1/Q = δ/π = Δf/fₙ. Valid for light damping (ζ < 0.1).

All information, equations, and calculations have been compiled and verified to the best of our ability. For mission-critical applications, we recommend independent verification of all values. If you find an error, please let us know.