Use the form below to do your conversion.
Solution
Step1
Log20415=Log(415) ÷ Log(20)
Log(415)= 2.6180480967121
Log(20)=1.301029995664
Log20415=2.6180480967121 ÷ 1.301029995664
Ans=2.0122888061285
Step2
Alternatively, the logarithm can be calculated like this.