Use the form below to do your conversion.
Solution
Step1
Log216425=Log(6425) ÷ Log(21)
Log(6425)= 3.8078731320033
Log(21)=1.3222192947339
Log216425=3.8078731320033 ÷ 1.3222192947339
Ans=2.8799104257283
Step2
Alternatively, the logarithm can be calculated like this.