Use the form below to do your conversion.
Solution
Step1
Log30421=Log(421) ÷ Log(30)
Log(421)= 2.6242820958357
Log(30)=1.4771212547197
Log30421=2.6242820958357 ÷ 1.4771212547197
Ans=1.7766192771586
Step2
Alternatively, the logarithm can be calculated like this.