Use the form below to do your conversion.
Solution
Step1
Log218479=Log(8479) ÷ Log(21)
Log(8479)= 3.9283446352649
Log(21)=1.3222192947339
Log218479=3.9283446352649 ÷ 1.3222192947339
Ans=2.9710235290852
Step2
Alternatively, the logarithm can be calculated like this.