Use the form below to do your conversion.
Solution
Step1
Log30139=Log(139) ÷ Log(30)
Log(139)= 2.1430148002541
Log(30)=1.4771212547197
Log30139=2.1430148002541 ÷ 1.4771212547197
Ans=1.4508049311502
Step2
Alternatively, the logarithm can be calculated like this.