Get the number of digits after the decimal point of a float (with or without decimal part)

Question

I have following list of Amount (float) in my table.

Amount
123
123.1
123.0123
123.789456

How can i get the number of digits a

Answer 1

This code will definitely help you.

SELECT Amount,
       LEN(SUBSTRING(CAST(Amount as VARCHAR),CHARINDEX('.',CAST(Amount as VARCHAR))+1,LEN(Amount)))  Result
FROM [Your Table Name]