Use the form below to do your conversion.
Solution
Step1
Log30391=Log(391) ÷ Log(30)
Log(391)= 2.5921767573959
Log(30)=1.4771212547197
Log30391=2.5921767573959 ÷ 1.4771212547197
Ans=1.7548842040648
Step2
Alternatively, the logarithm can be calculated like this.