# Margin of Safety

Written by Jerry Ratzlaff on . Posted in Safety

Margin of safety, abbreviated as FS, is the ratio of the system's structural capacity to the requirements or how much excess capacity.

## Margin of safety formula

 $$\large{ MS = FS \; -1 }$$

Where:

$$\large{ MS }$$ = margin of safety

$$\large{ FS }$$ = factor of safety

Tags: Equations for Safety