Use the form below to do your conversion.
Solution
Step1
Log87489=Log(7489) ÷ Log(8)
Log(7489)= 3.8744238305865
Log(8)=0.90308998699194
Log87489=3.8744238305865 ÷ 0.90308998699194
Ans=4.2901857914421
Step2
Alternatively, the logarithm can be calculated like this.