Use the form below to do your conversion.
Solution
Step1
Log214045=Log(4045) ÷ Log(21)
Log(4045)= 3.6069185259483
Log(21)=1.3222192947339
Log214045=3.6069185259483 ÷ 1.3222192947339
Ans=2.7279276140605
Step2
Alternatively, the logarithm can be calculated like this.