Use the form below to do your conversion.
Solution
Step1
Log218111=Log(8111) ÷ Log(21)
Log(8111)= 3.9090744014009
Log(21)=1.3222192947339
Log218111=3.9090744014009 ÷ 1.3222192947339
Ans=2.9564493703653
Step2
Alternatively, the logarithm can be calculated like this.