What you need to enter
- Filing status: Single, married filing jointly or separately, or head of household.
- Income: Annual taxable wages and other earnings before deductions.
- Deductions: Pre-tax adjustments and optional itemized deductions; the calculator automatically uses the larger of itemized or standard deduction.
- Withholding and credits: Federal income tax already withheld plus any credits you expect.
- Additional taxes: Self-employment tax or other federal taxes owed.