Use the form below to do your conversion.
Solution
Step1
Log51981=Log(1981) ÷ Log(5)
Log(1981)= 3.2968844755385
Log(5)=0.69897000433602
Log51981=3.2968844755385 ÷ 0.69897000433602
Ans=4.7167753338291
Step2
Alternatively, the logarithm can be calculated like this.