To convert the fraction \( \frac{1}{30} \) into a decimal, you can perform the division of 1 by 30.
When you divide 1 by 30, you get:
\[ 1 \div 30 = 0.0333\ldots \]
This results in a repeating decimal, which can be rounded to:
\[ 0.0333 \quad (\text{or } 0.033\overline{3}) \]
Therefore, \( \frac{1}{30} \) as a decimal is approximately \( 0.0333 \).