Use the form below to do your conversion.
Solution
Step1
Log201309=Log(1309) ÷ Log(20)
Log(1309)= 3.1169396465508
Log(20)=1.301029995664
Log201309=3.1169396465508 ÷ 1.301029995664
Ans=2.395747720605
Step2
Alternatively, the logarithm can be calculated like this.