Use the form below to do your conversion.
Solution
Step1
Log2091=Log(91) ÷ Log(20)
Log(91)= 1.9590413923211
Log(20)=1.301029995664
Log2091=1.9590413923211 ÷ 1.301029995664
Ans=1.5057618954598
Step2
Alternatively, the logarithm can be calculated like this.