Use the form below to do your conversion.
Solution
Step1
Log25491=Log(491) ÷ Log(25)
Log(491)= 2.691081492123
Log(25)=1.397940008672
Log25491=2.691081492123 ÷ 1.397940008672
Ans=1.9250336033227
Step2
Alternatively, the logarithm can be calculated like this.