Use the form below to do your conversion.
Solution
Step1
Log287421=Log(7421) ÷ Log(28)
Log(7421)= 3.8704624315889
Log(28)=1.4471580313422
Log287421=3.8704624315889 ÷ 1.4471580313422
Ans=2.674526449609
Step2
Alternatively, the logarithm can be calculated like this.