Use the form below to do your conversion.
Solution
Step1
Log78425=Log(8425) ÷ Log(7)
Log(8425)= 3.9255699095434
Log(7)=0.84509804001426
Log78425=3.9255699095434 ÷ 0.84509804001426
Ans=4.6451059210564
Step2
Alternatively, the logarithm can be calculated like this.