Use the form below to do your conversion.
Solution
Step1
Log91561=Log(1561) ÷ Log(9)
Log(1561)= 3.1934029030624
Log(9)=0.95424250943932
Log91561=3.1934029030624 ÷ 0.95424250943932
Ans=3.3465318003269
Step2
Alternatively, the logarithm can be calculated like this.