Convert the fraction $\frac{1}{8}$ into a percentage.

To convert a fraction to a percentage, you need to multiply it by 100.
So,

$\frac{1}{8}=\frac{1}{8}\times 100\%$

$=\frac{25}{2}=12.5\%$

Therefore, $\frac{1}{8}$ is equal to 12.5%.