Use the form below to do your conversion.
Solution
Step1
Log218423=Log(8423) ÷ Log(21)
Log(8423)= 3.9254668006915
Log(21)=1.3222192947339
Log218423=3.9254668006915 ÷ 1.3222192947339
Ans=2.9688470107234
Step2
Alternatively, the logarithm can be calculated like this.