Use the form below to do your conversion.
Solution
Step1
Log28705=Log(8705) ÷ Log(2)
Log(8705)= 3.9397687754533
Log(2)=0.30102999566398
Log28705=3.9397687754533 ÷ 0.30102999566398
Ans=13.087628582538
Step2
Alternatively, the logarithm can be calculated like this.