Use the form below to do your conversion.
Solution
Step1
Log251561=Log(1561) ÷ Log(25)
Log(1561)= 3.1934029030624
Log(25)=1.397940008672
Log251561=3.1934029030624 ÷ 1.397940008672
Ans=2.2843633369475
Step2
Alternatively, the logarithm can be calculated like this.