Use the form below to do your conversion.
Solution
Step1
Log219305=Log(9305) ÷ Log(21)
Log(9305)= 3.9687163774668
Log(21)=1.3222192947339
Log219305=3.9687163774668 ÷ 1.3222192947339
Ans=3.0015568470928
Step2
Alternatively, the logarithm can be calculated like this.