Use the form below to do your conversion.
Solution
Step1
Log491=Log(91) ÷ Log(4)
Log(91)= 1.9590413923211
Log(4)=0.60205999132796
Log491=1.9590413923211 ÷ 0.60205999132796
Ans=3.2538973200993
Step2
Alternatively, the logarithm can be calculated like this.