Use the form below to do your conversion.
Solution
Step1
Log81285=Log(1285) ÷ Log(8)
Log(1285)= 3.1089031276673
Log(8)=0.90308998699194
Log81285=3.1089031276673 ÷ 0.90308998699194
Ans=3.4425175480271
Step2
Alternatively, the logarithm can be calculated like this.