Use the form below to do your conversion.
Solution
Step1
Log21981=Log(1981) ÷ Log(2)
Log(1981)= 3.2968844755385
Log(2)=0.30102999566398
Log21981=3.2968844755385 ÷ 0.30102999566398
Ans=10.952013164889
Step2
Alternatively, the logarithm can be calculated like this.