Use the form below to do your conversion.
Solution
Step1
Log51987=Log(1987) ÷ Log(5)
Log(1987)= 3.2981978671098
Log(5)=0.69897000433602
Log51987=3.2981978671098 ÷ 0.69897000433602
Ans=4.7186543723617
Step2
Alternatively, the logarithm can be calculated like this.