Use the form below to do your conversion.
Solution
Step1
Log251987=Log(1987) ÷ Log(25)
Log(1987)= 3.2981978671098
Log(25)=1.397940008672
Log251987=3.2981978671098 ÷ 1.397940008672
Ans=2.3593271861808
Step2
Alternatively, the logarithm can be calculated like this.