Estimate your federal and Georgia state withholding, Social Security, and Medicare using the annualization method.
e.g. $2,000 per qualifying child under 17 • $500 per other dependent.
Interest, dividends, side income. Increases withholding.
Itemized deductions minus your standard deduction. Decreases withholding.
Additional federal tax per paycheck (W-4 Step 4c).
From your Georgia state withholding form.
Additional state income tax per pay period.
Federal withholding uses the official 2026 IRS Publication 15-T Percentage Method tables. Supports both 2019-and-earlier W-4 (allowance-based) and 2020+ W-4 (Steps 2–4). Federal withholding allowance: $4,300. Social Security wage base: $176,100.
Georgia withholding uses an estimated rate. For precise calculations, consult your state’s withholding tables or a qualified payroll professional.