Use the form below to do your conversion.
Solution
Step1
Log21251=Log(251) ÷ Log(21)
Log(251)= 2.399673721481
Log(21)=1.3222192947339
Log21251=2.399673721481 ÷ 1.3222192947339
Ans=1.8148833034266
Step2
Alternatively, the logarithm can be calculated like this.