Use the form below to do your conversion.
Solution
Step1
Log257805=Log(7805) ÷ Log(25)
Log(7805)= 3.8923729073984
Log(25)=1.397940008672
Log257805=3.8923729073984 ÷ 1.397940008672
Ans=2.7843633369475
Step2
Alternatively, the logarithm can be calculated like this.