Tax Optimization Calculator (U.S. Federal) Filing & Income Filing Status Single Married Filing Jointly Head of Household W-2 Wages (before pre-tax) Self-Employment / 1099 Income Other Ordinary Income (interest, short-term gains, etc.) Long-Term Capital Gains / Qualified Dividends Above-the-Line Adjustments (student loan interest, etc.) Pre-Tax Contributions (Optimizations) 401(k)/403(b)/457 Employee Traditional IRA HSA (High-Deductible Plan) FSA / Section 125 Pre-Tax These reduce your **ordinary taxable income**. Enter the amounts you plan to contribute this year. Deductions & Credits Use Standard Deduction? Yes (default) No (itemize below) Itemized Deductions (if not using standard) Child / Dependent-Related Credits Other Non-Refundable Credits Credits reduce **tax owed** dollar-for-dollar after the tax is calculated. Calculate Reset Taxable Income (Before → After) $0 → $0 Federal Tax Owed (Before → After) $0 → $0 Effective Tax Rate (Before → After) 0% → 0% Marginal Tax Rate (After) 0% Estimated Tax Savings $0 Savings per $1 Pre-Tax $0.00 Before After Before After Change Notes & Assumptions U.S. **federal** income tax only—no state, local, AMT, NIIT, phase-outs, or special limitations. Self-employment tax is not calculated here; enter net SE income as ordinary income if you wish. Long-term capital gains (LTCG) use preferential rates and are layered on top of ordinary taxable income. Bracket and standard deduction values are editable in the code’s CONFIG section so you can update annually. This is educational and not tax advice. Consult a tax professional for your specific situation.