Use the form below to do your conversion.
Solution
Step1
Log21103=Log(103) ÷ Log(21)
Log(103)= 2.0128372247052
Log(21)=1.3222192947339
Log21103=2.0128372247052 ÷ 1.3222192947339
Ans=1.5223172379361
Step2
Alternatively, the logarithm can be calculated like this.