Use the form below to do your conversion.
Solution
Step1
Log181981=Log(1981) ÷ Log(18)
Log(1981)= 3.2968844755385
Log(18)=1.2552725051033
Log181981=3.2968844755385 ÷ 1.2552725051033
Ans=2.6264292909588
Step2
Alternatively, the logarithm can be calculated like this.