Use the form below to do your conversion.
Solution
Step1
Log218503=Log(8503) ÷ Log(21)
Log(8503)= 3.9295721790765
Log(21)=1.3222192947339
Log218503=3.9295721790765 ÷ 1.3222192947339
Ans=2.9719519256201
Step2
Alternatively, the logarithm can be calculated like this.