Use the form below to do your conversion.
Solution
Step1
Log129515=Log(9515) ÷ Log(12)
Log(9515)= 3.978408792623
Log(12)=1.0791812460476
Log129515=3.978408792623 ÷ 1.0791812460476
Ans=3.6865066059974
Step2
Alternatively, the logarithm can be calculated like this.