Use the form below to do your conversion.
Solution
Step1
Log201315=Log(1315) ÷ Log(20)
Log(1315)= 3.1189257528258
Log(20)=1.301029995664
Log201315=3.1189257528258 ÷ 1.301029995664
Ans=2.397274285159
Step2
Alternatively, the logarithm can be calculated like this.