Use the form below to do your conversion.
Solution
Step1
Log71985=Log(1985) ÷ Log(7)
Log(1985)= 3.2977605110991
Log(7)=0.84509804001426
Log71985=3.2977605110991 ÷ 0.84509804001426
Ans=3.9022224108383
Step2
Alternatively, the logarithm can be calculated like this.