Use the form below to do your conversion.
Solution
Step1
Log211115=Log(1115) ÷ Log(21)
Log(1115)= 3.0472748673842
Log(21)=1.3222192947339
Log211115=3.0472748673842 ÷ 1.3222192947339
Ans=2.3046667670943
Step2
Alternatively, the logarithm can be calculated like this.