Use the form below to do your conversion.
Solution
Step1
Log78509=Log(8509) ÷ Log(7)
Log(8509)= 3.9298785236568
Log(7)=0.84509804001426
Log78509=3.9298785236568 ÷ 0.84509804001426
Ans=4.6502042811394
Step2
Alternatively, the logarithm can be calculated like this.