Financial Toolset

Marriage Tax Calculator 2024 - Marriage Bonus or Penalty Estimator

Calculate your marriage tax penalty or bonus.

Compare filing jointly vs separately and see which strategy saves you the most money with 2024 federal tax brackets.

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Sources & References

Federal Income Tax Brackets (2025)

Ordinary income is taxed at graduated rates from 10% to 37% based on filing status and income level.
→Source: IRS - Federal Income Tax Rates and Brackets(2025)

Capital Gains Tax Rates (2025)

• Short-term capital gains (assets held ≤1 year): Taxed at ordinary income rates (10-37%)
• Long-term capital gains (assets held >1 year): 0%, 15%, or 20% based on income
→Source: IRS Topic 409 - Capital Gains and Losses(2025)

State Tax Rates

State income tax rates vary from 0% (no state income tax) to 13.3% (California top rate).
→Source: Tax Foundation - State Income Tax Rates(2025)

Qualified Dividends

Qualified dividends are taxed at the same preferential rates as long-term capital gains (0%, 15%, or 20%).
→Source: IRS Topic 404 - Dividends(2025)

Note

Tax laws change frequently. These rates are current as of 2025. Always consult a tax professional for personalized advice.

⚠️ Note