Use the form below to do your conversion.
Solution
Step1
Log201985=Log(1985) ÷ Log(20)
Log(1985)= 3.2977605110991
Log(20)=1.301029995664
Log201985=3.2977605110991 ÷ 1.301029995664
Ans=2.5347305766122
Step2
Alternatively, the logarithm can be calculated like this.