Use the form below to do your conversion.
Solution
Step1
Log2015101=Log(15101) ÷ Log(20)
Log(15101)= 4.1790057075648
Log(20)=1.301029995664
Log2015101=4.1790057075648 ÷ 1.301029995664
Ans=3.212074834164
Step2
Alternatively, the logarithm can be calculated like this.