Use the form below to do your conversion.
Solution
Step1
Log2011981=Log(11981) ÷ Log(20)
Log(11981)= 4.0784930681666
Log(20)=1.301029995664
Log2011981=4.0784930681666 ÷ 1.301029995664
Ans=3.1348186296697
Step2
Alternatively, the logarithm can be calculated like this.