Use the form below to do your conversion.
Solution
Step1
Log219745=Log(9745) ÷ Log(21)
Log(9745)= 3.9887818434536
Log(21)=1.3222192947339
Log219745=3.9887818434536 ÷ 1.3222192947339
Ans=3.0167324432036
Step2
Alternatively, the logarithm can be calculated like this.