Use the form below to do your conversion.
Solution
Step1
Log218473=Log(8473) ÷ Log(21)
Log(8473)= 3.9280372064069
Log(21)=1.3222192947339
Log218473=3.9280372064069 ÷ 1.3222192947339
Ans=2.97079101935
Step2
Alternatively, the logarithm can be calculated like this.