Use the form below to do your conversion.
Solution
Step1
Log72015=Log(2015) ÷ Log(7)
Log(2015)= 3.3042750504771
Log(7)=0.84509804001426
Log72015=3.3042750504771 ÷ 0.84509804001426
Ans=3.9099310305126
Step2
Alternatively, the logarithm can be calculated like this.