Use the form below to do your conversion.
Solution
Step1
Log158405=Log(8405) ÷ Log(15)
Log(8405)= 3.9245377177755
Log(15)=1.1760912590557
Log158405=3.9245377177755 ÷ 1.1760912590557
Ans=3.3369329867536
Step2
Alternatively, the logarithm can be calculated like this.