Use the form below to do your conversion.
Solution
Step1
Log138515=Log(8515) ÷ Log(13)
Log(8515)= 3.9301846522986
Log(13)=1.1139433523068
Log138515=3.9301846522986 ÷ 1.1139433523068
Ans=3.5281728143174
Step2
Alternatively, the logarithm can be calculated like this.