Use the form below to do your conversion.
Solution
Step1
Log2165=Log(65) ÷ Log(21)
Log(65)= 1.8129133566429
Log(21)=1.3222192947339
Log2165=1.8129133566429 ÷ 1.3222192947339
Ans=1.3711139777367
Step2
Alternatively, the logarithm can be calculated like this.