Use the form below to do your conversion.
Solution
Step1
Log218135=Log(8135) ÷ Log(21)
Log(8135)= 3.9103575572729
Log(21)=1.3222192947339
Log218135=3.9103575572729 ÷ 1.3222192947339
Ans=2.9574198265347
Step2
Alternatively, the logarithm can be calculated like this.