Use the form below to do your conversion.
Solution
Step1
Log301991=Log(1991) ÷ Log(30)
Log(1991)= 3.2990712600274
Log(30)=1.4771212547197
Log301991=3.2990712600274 ÷ 1.4771212547197
Ans=2.2334464753562
Step2
Alternatively, the logarithm can be calculated like this.