The difference might be the self-employment tax you have to pay. You will have the tax shown on your taxable income on Form 1040 line 11. If you had Qualified Dividends and Capital Gains then you cannot use only the taxable you will need the Qualified Dividends and Capital Gain Tax Worksheet to calculate the tax on line 11. The Self-employment tax will be included in line 14 and is carried over from Schedule 4.
