Use the form below to do your conversion.
Solution
Step1
Log121987=Log(1987) ÷ Log(12)
Log(1987)= 3.2981978671098
Log(12)=1.0791812460476
Log121987=3.2981978671098 ÷ 1.0791812460476
Ans=3.056203838965
Step2
Alternatively, the logarithm can be calculated like this.