Project your net worth with US federal and state taxes, FICA (Social Security and Medicare), and tax-advantaged accounts—401(k), IRA, and Roth. We model Social Security benefits and taxation, standard deduction or itemized deductions, and long-term capital gains. Explore tradeoffs and plan for retirement and life goals.
Track income and expenses with categories built for US finances.
We model federal and state income tax using progressive brackets, so your projections reflect real tax liability by jurisdiction. We apply the standard deduction or itemized deductions (including SALT cap), and FICA (Social Security and Medicare) on employment income.
We include preferential rates for long-term capital gains and qualified dividends, the Net Investment Income Tax (NIIT) where applicable, and credits such as Child Tax Credit and Earned Income Tax Credit. AMT is considered for higher incomes.
Tax-advantaged accounts are handled correctly: 401(k) and IRA contributions reduce taxable income; Roth growth and qualified withdrawals are tax-free. Social Security benefits and the taxable portion (up to 85%) are modeled so retirement income projections stay accurate.
Up to 85% of your Social Security benefits can be taxable depending on your other income. We apply the IRS rules so the taxable portion is included in your projection year by year.
The formula uses combined income (adjusted gross income + nontaxable interest + half of Social Security). Below the first threshold, none is taxable; above the second threshold, up to 85% is taxable. We use the same logic for married filing jointly and single filers.
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