Use the form below to do your conversion.
Solution
Step1
Log201115=Log(1115) ÷ Log(20)
Log(1115)= 3.0472748673842
Log(20)=1.301029995664
Log201115=3.0472748673842 ÷ 1.301029995664
Ans=2.3422018535622
Step2
Alternatively, the logarithm can be calculated like this.