Use the form below to do your conversion.
Solution
Step1
Log28721=Log(721) ÷ Log(28)
Log(721)= 2.8579352647194
Log(28)=1.4471580313422
Log28721=2.8579352647194 ÷ 1.4471580313422
Ans=1.9748605216728
Step2
Alternatively, the logarithm can be calculated like this.