Use the form below to do your conversion.
Solution
Step1
Log201511=Log(1511) ÷ Log(20)
Log(1511)= 3.179264464339
Log(20)=1.301029995664
Log201511=3.179264464339 ÷ 1.301029995664
Ans=2.4436519334179
Step2
Alternatively, the logarithm can be calculated like this.