Use the form below to do your conversion.
Solution
Step1
Log28685=Log(685) ÷ Log(28)
Log(685)= 2.8356905714924
Log(28)=1.4471580313422
Log28685=2.8356905714924 ÷ 1.4471580313422
Ans=1.9594892265238
Step2
Alternatively, the logarithm can be calculated like this.