Use the form below to do your conversion.
Solution
Step1
Log72405=Log(2405) ÷ Log(7)
Log(2405)= 3.3811150807099
Log(7)=0.84509804001426
Log72405=3.3811150807099 ÷ 0.84509804001426
Ans=4.0008554281499
Step2
Alternatively, the logarithm can be calculated like this.