Use the form below to do your conversion.
Solution
Step1
Log78687=Log(8687) ÷ Log(7)
Log(8687)= 3.938869821513
Log(7)=0.84509804001426
Log78687=3.938869821513 ÷ 0.84509804001426
Ans=4.6608436359012
Step2
Alternatively, the logarithm can be calculated like this.