Use the form below to do your conversion.
Solution
Step1
Log87405=Log(7405) ÷ Log(8)
Log(7405)= 3.8695250628572
Log(8)=0.90308998699194
Log87405=3.8695250628572 ÷ 0.90308998699194
Ans=4.2847613400587
Step2
Alternatively, the logarithm can be calculated like this.