Use the form below to do your conversion.
Solution
Step1
Log28109=Log(109) ÷ Log(28)
Log(109)= 2.0374264979406
Log(28)=1.4471580313422
Log28109=2.0374264979406 ÷ 1.4471580313422
Ans=1.4078811393189
Step2
Alternatively, the logarithm can be calculated like this.