Use the form below to do your conversion.
Solution
Step1
Log218015=Log(8015) ÷ Log(21)
Log(8015)= 3.9039035266902
Log(21)=1.3222192947339
Log218015=3.9039035266902 ÷ 1.3222192947339
Ans=2.952538616127
Step2
Alternatively, the logarithm can be calculated like this.