Use the form below to do your conversion.
Solution
Step1
Log87105=Log(7105) ÷ Log(8)
Log(7105)= 3.8515640822635
Log(8)=0.90308998699194
Log87105=3.8515640822635 ÷ 0.90308998699194
Ans=4.2648729780434
Step2
Alternatively, the logarithm can be calculated like this.