Use the form below to do your conversion.
Solution
Step1
Log218585=Log(8585) ÷ Log(21)
Log(8585)= 3.9337402994969
Log(21)=1.3222192947339
Log218585=3.9337402994969 ÷ 1.3222192947339
Ans=2.9751042925815
Step2
Alternatively, the logarithm can be calculated like this.