TurboTax interactively keeps calculating your refund as your enter the information.
The information about your stimulus is the last question and until it calculates your refund assuming that you have not received it.
When you entered the amount of stimulus received the refund decreases y that amount.
If you had a dependent, the dependent may also be eligible to get the stimulus. IRS has the information in their database about the recipient and they will check and give you the correct refund.
