Use the form below to do your conversion.
Solution
Step1
Log1891=Log(91) ÷ Log(18)
Log(91)= 1.9590413923211
Log(18)=1.2552725051033
Log1891=1.9590413923211 ÷ 1.2552725051033
Ans=1.5606502845849
Step2
Alternatively, the logarithm can be calculated like this.