Is $413 the tax on Form 1040 line 16, or is that the amount that you owe? From $413 to $2,830 is a big discrepancy. Make sure you are looking at the taxable income on Form 1040 line 15 and the tax on line 16. The tax on line 16 is what's calculated based on your taxable income on line 15. Various credits further down on Form 1040 could reduce your total tax on line 24, or reduce the amount you owe on line 37.
If your tax on line 16 in TurboTax does not agree with the amount from the tax table, you probably have to use a different method to calculate the tax. The tax table is only one of seven different methods that can be used to calculate your tax, depending on what is in your tax return. Your tax return might require one of the other methods. The most common reason that you cannot use the tax table is that you have qualified dividends or long-term capital gains.
In the IRS instructions for Form 1040, look at the instructions for line 16. Starting at the bottom of the right column on page 31 it explains the seven methods that can be used to calculate the tax on line 16.
The Tax Smart Worksheet in TurboTax has 7 checkboxes that show you which method TurboTax used. Since you are using the CD/Download TurboTax software, you can see the Tax Smart Worksheet in forms mode. It's between lines 15 and 16 of the Form 1040 or Form 1040-SR Worksheet.
