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Capital Gains Tax Calculator

Estimate 2026 short-term and long-term capital gains tax on stocks, real estate, and crypto sales. Calculate federal, state, and net profit after taxes.

Verified Institutional Formula 100% Client-Side & Private Editorial Review: Quantitative & Engineering Protocol
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United States Only

Capital gains tax calculations use official United States Internal Revenue Service (IRS) federal brackets (0%, 15%, 20% long-term and up to 37% short-term) and state tax estimates in USD ($).

$
$
$
Net Profit After Taxes
$0.00

Total gross capital gain: $0.00 (Long-Term Preferential Rates)

Gross Capital Gain:
$0.00
Federal Capital Gains Tax:
-$0.00
State Income Tax (5%):
-$0.00
Total Combined Tax:
-$0.00 (0.0% effective)
Tax Strategy Tip: Holding an investment for longer than 1 year qualifies you for long-term capital gains brackets (0%, 15%, or 20%), which are significantly lower than short-term ordinary income brackets (up to 37%).

Analytical Logic

Mastering Capital Gains Tax & Protecting Your Returns

Whenever you sell an investment asset-such as stocks, mutual funds, real estate, or cryptocurrency-for more than you originally paid for it, you trigger a capital gain. While earning a profit is the primary goal of investing, failing to account for the tax implications of a sale can severely erode your net proceeds.

Why Holding Period is Your Most Powerful Tax Lever

The U.S. tax code actively incentivizes long-term investment by offering substantial tax discounts for patience. Selling an asset after 11 months versus 13 months can mean the difference between paying a 37% ordinary income tax rate versus a 15% long-term capital gains tax rate-a massive 22 percentage point swing in take-home profit.

Calculation Formula

Gross Capital Gain = Sale Price - Purchase Price (Cost Basis)
Total Combined Tax = Federal Capital Gains Tax + (Gross Gain × State Rate%)
Net Take-Home Profit = Gross Capital Gain - Total Combined Tax

FAQ

A capital gain is considered short-term if you hold the asset for one year or less before selling. Short-term gains are taxed at your standard ordinary income tax rates (ranging from 10% to 37%). If you hold the asset for more than one year (at least one year and one day), it qualifies as a long-term capital gain, which enjoys significantly lower preferential tax rates of 0%, 15%, or 20%.
For tax year 2026, the long-term capital gains tax brackets are: 0% if your taxable income is up to $49,250 (Single) / $98,500 (Married Filing Jointly); 15% if income is between $49,250 and $533,400 (Single) / $98,500 and $600,050 (Married); and 20% if your income exceeds $533,400 (Single) / $600,050 (Married).
In most U.S. states, capital gains are taxed as ordinary income alongside your federal taxes. State tax rates range from 0% in states with no income tax (such as Texas, Florida, Washington, and Nevada) up to over 13% in California. Our calculator allows you to enter your specific state rate.
High earners with a Modified Adjusted Gross Income (MAGI) over $200,000 (Single) or $250,000 (Married Filing Jointly) may be subject to an additional 3.8% Net Investment Income Tax (NIIT) on top of their federal capital gains rate.
Common strategies include: (1) Holding assets for over one year to lock in long-term rates, (2) Tax-loss harvesting (selling losing investments to offset up to $3,000 of ordinary income and unlimited capital gains), and (3) Investing in tax-advantaged accounts like 401(k)s, IRAs, or Roth IRAs where capital gains are tax-deferred or tax-free.

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Financial & Tax Disclaimer

The calculations, amortization schedules, and financial estimates provided by this tool are strictly for informational and educational purposes. They do not constitute formal investment, tax, legal, or accounting advice. Mortgage rates, loan terms, and tax brackets change frequently; always consult a certified financial planner (CFP), CPA, or licensed lending officer before making major financial commitments.

Editorial Standard: Rigorous formula verification & zero client-side tracking. Learn about our review process →
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