Use the form below to do your conversion.
Solution
Step1
Log28121=Log(121) ÷ Log(28)
Log(121)= 2.0827853703164
Log(28)=1.4471580313422
Log28121=2.0827853703164 ÷ 1.4471580313422
Ans=1.4392245526805
Step2
Alternatively, the logarithm can be calculated like this.