Use the form below to do your conversion.
Solution
Step1
Log128615=Log(8615) ÷ Log(12)
Log(8615)= 3.935255281784
Log(12)=1.0791812460476
Log128615=3.935255281784 ÷ 1.0791812460476
Ans=3.6465193369478
Step2
Alternatively, the logarithm can be calculated like this.