Use the form below to do your conversion.
Solution
Step1
Log218735=Log(8735) ÷ Log(21)
Log(8735)= 3.9412629093189
Log(21)=1.3222192947339
Log218735=3.9412629093189 ÷ 1.3222192947339
Ans=2.9807936739511
Step2
Alternatively, the logarithm can be calculated like this.