Use the form below to do your conversion.
Solution
Step1
Log218915=Log(8915) ÷ Log(21)
Log(8915)= 3.9501213475114
Log(21)=1.3222192947339
Log218915=3.9501213475114 ÷ 1.3222192947339
Ans=2.9874933479218
Step2
Alternatively, the logarithm can be calculated like this.