Use the form below to do your conversion.
Solution
Step1
Log391=Log(91) ÷ Log(3)
Log(91)= 1.9590413923211
Log(3)=0.47712125471966
Log391=1.9590413923211 ÷ 0.47712125471966
Ans=4.1059612686342
Step2
Alternatively, the logarithm can be calculated like this.