Use the form below to do your conversion.
Solution
Step1
Log218305=Log(8305) ÷ Log(21)
Log(8305)= 3.9193396367874
Log(21)=1.3222192947339
Log218305=3.9193396367874 ÷ 1.3222192947339
Ans=2.964213010956
Step2
Alternatively, the logarithm can be calculated like this.