# Percentage Elongation Formula

Percent elongation is the increase in length of the body per unit orignal length of that body.

Mathematically, percentage elongation can be expresses as;

$$Percentage.Elongation=frac{Increase.in.Length}{Orignal.Length}times 100$$

¨

[Percentage.Elongation=frac{Δl}{l}times 100]

..

$$Percentage Elongation=frac{Final.Length-Original.Length}{Original.Length}$$