Use the form below to do your conversion.
Solution
Step1
Log151231=Log(1231) ÷ Log(15)
Log(1231)= 3.0902580529313
Log(15)=1.1760912590557
Log151231=3.0902580529313 ÷ 1.1760912590557
Ans=2.6275665507561
Step2
Alternatively, the logarithm can be calculated like this.