Use the form below to do your conversion.
Solution
Step1
Log15221=Log(221) ÷ Log(15)
Log(221)= 2.3443922736851
Log(15)=1.1760912590557
Log15221=2.3443922736851 ÷ 1.1760912590557
Ans=1.9933761565131
Step2
Alternatively, the logarithm can be calculated like this.