Use the form below to do your conversion.
Solution
Step1
Log21125=Log(125) ÷ Log(21)
Log(125)= 2.0969100130081
Log(21)=1.3222192947339
Log21125=2.0969100130081 ÷ 1.3222192947339
Ans=1.5859018404583
Step2
Alternatively, the logarithm can be calculated like this.