Use the form below to do your conversion.
Solution
Step1
Log28643=Log(643) ÷ Log(28)
Log(643)= 2.8082109729242
Log(28)=1.4471580313422
Log28643=2.8082109729242 ÷ 1.4471580313422
Ans=1.9405005618631
Step2
Alternatively, the logarithm can be calculated like this.