Use the form below to do your conversion.
Solution
Step1
Log151985=Log(1985) ÷ Log(15)
Log(1985)= 3.2977605110991
Log(15)=1.1760912590557
Log151985=3.2977605110991 ÷ 1.1760912590557
Ans=2.8040005277711
Step2
Alternatively, the logarithm can be calculated like this.