Use the form below to do your conversion.
Solution
Step1
Log138430.4=Log(8430.4) ÷ Log(13)
Log(8430.4)= 3.9258481812287
Log(13)=1.1139433523068
Log138430.4=3.9258481812287 ÷ 1.1139433523068
Ans=3.5242799134254
Step2
Alternatively, the logarithm can be calculated like this.