Use the form below to do your conversion.
Solution
Step1
Log2015475=Log(15475) ÷ Log(20)
Log(15475)= 4.1896306576922
Log(20)=1.301029995664
Log2015475=4.1896306576922 ÷ 1.301029995664
Ans=3.220241402316
Step2
Alternatively, the logarithm can be calculated like this.