Use the form below to do your conversion.
Solution
Step1
Log211985=Log(1985) ÷ Log(21)
Log(1985)= 3.2977605110991
Log(21)=1.3222192947339
Log211985=3.2977605110991 ÷ 1.3222192947339
Ans=2.4941101103526
Step2
Alternatively, the logarithm can be calculated like this.