Use the form below to do your conversion.
Solution
Step1
Log219215=Log(9215) ÷ Log(21)
Log(9215)= 3.9644953395551
Log(21)=1.3222192947339
Log219215=3.9644953395551 ÷ 1.3222192947339
Ans=2.9983644584107
Step2
Alternatively, the logarithm can be calculated like this.