Use the form below to do your conversion.
Solution
Step1
Log218231=Log(8231) ÷ Log(21)
Log(8231)= 3.9154526016885
Log(21)=1.3222192947339
Log218231=3.9154526016885 ÷ 1.3222192947339
Ans=2.9612732300026
Step2
Alternatively, the logarithm can be calculated like this.