Use the form below to do your conversion.
Solution
Step1
Log21475=Log(475) ÷ Log(21)
Log(475)= 2.6766936096249
Log(21)=1.3222192947339
Log21475=2.6766936096249 ÷ 1.3222192947339
Ans=2.0243946070712
Step2
Alternatively, the logarithm can be calculated like this.