After you file


@kdkastner wrote:

yes 1800 is on line 30.  No dependents.  Turbo tax created the 1800 amount for the second stimulus.  Filing status is single.  I still do not know why it says 1800.


The $1,800 is shown because you must have indicated that you did not receive either first or second stimulus payments.  The first payment was $1,200 and the second payment was $600.