Use the form below to do your conversion.
Solution
Step1
Log202015=Log(2015) ÷ Log(20)
Log(2015)= 3.3042750504771
Log(20)=1.301029995664
Log202015=3.3042750504771 ÷ 1.301029995664
Ans=2.5397377935094
Step2
Alternatively, the logarithm can be calculated like this.