Use the form below to do your conversion.
Solution
Step1
Log214975=Log(4975) ÷ Log(21)
Log(4975)= 3.6967930850817
Log(21)=1.3222192947339
Log214975=3.6967930850817 ÷ 1.3222192947339
Ans=2.7959001202033
Step2
Alternatively, the logarithm can be calculated like this.