Factor of Safety Calculator

Calculate factor of safety from yield strength and working stress. Determine safety margins for engineering designs.

Input Parameters

Yield Strength (Pa)

Working Stress (Pa)

Results

Enter values and click Calculate

About Factor of Safety Calculator

Factor of safety (FoS) is the ratio of yield strength to working stress: FoS = σ_yield / σ_working. Higher values provide greater safety margins, typically 2-4 for most applications.