Use the form below to do your conversion.
Solution
Step1
Log201109=Log(1109) ÷ Log(20)
Log(1109)= 3.0449315461492
Log(20)=1.301029995664
Log201109=3.0449315461492 ÷ 1.301029995664
Ans=2.3404007258074
Step2
Alternatively, the logarithm can be calculated like this.