Use the form below to do your conversion.
Solution
Step1
Log20155=Log(155) ÷ Log(20)
Log(155)= 2.1903316981703
Log(20)=1.301029995664
Log20155=2.1903316981703 ÷ 1.301029995664
Ans=1.6835366636205
Step2
Alternatively, the logarithm can be calculated like this.