Use the form below to do your conversion.
Solution
Step1
Log212009=Log(2009) ÷ Log(21)
Log(2009)= 3.3029799367482
Log(21)=1.3222192947339
Log212009=3.3029799367482 ÷ 1.3222192947339
Ans=2.4980575838692
Step2
Alternatively, the logarithm can be calculated like this.