Use the form below to do your conversion.
Solution
Step1
Log20145=Log(145) ÷ Log(20)
Log(145)= 2.161368002235
Log(20)=1.301029995664
Log20145=2.161368002235 ÷ 1.301029995664
Ans=1.6612745358972
Step2
Alternatively, the logarithm can be calculated like this.