Use the form below to do your conversion.
Solution
Step1
Log71285=Log(1285) ÷ Log(7)
Log(1285)= 3.1089031276673
Log(7)=0.84509804001426
Log71285=3.1089031276673 ÷ 0.84509804001426
Ans=3.6787484770582
Step2
Alternatively, the logarithm can be calculated like this.