Use the form below to do your conversion.
Solution
Step1
Log216581=Log(6581) ÷ Log(21)
Log(6581)= 3.8182918908
Log(21)=1.3222192947339
Log216581=3.8182918908 ÷ 1.3222192947339
Ans=2.8877901767183
Step2
Alternatively, the logarithm can be calculated like this.