Use the form below to do your conversion.
Solution
Step1
Log257421=Log(7421) ÷ Log(25)
Log(7421)= 3.8704624315889
Log(25)=1.397940008672
Log257421=3.8704624315889 ÷ 1.397940008672
Ans=2.768689934889
Step2
Alternatively, the logarithm can be calculated like this.