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Liquidity Event Tax Calculator

Estimate your total tax liability when selling an asset by combining federal, state, and net investment income tax scenarios.

Quick answer: Combine entered federal, NIIT, and state rate scenarios for a liquidity-event gain. Enter Total Gain on the Sale, Federal Long-Term Capital Gains Rate, Net Investment Income Tax Rate, and State Capital Gains Tax Rate to personalize the estimate. It returns Net Proceeds, Federal LTCG Tax, and NIIT so you can compare the impact before choosing a next step. Use it to compare long-term value, tax impact, risk, time horizon, and contribution choices.

SWReviewed by SwitchWize Research Desk · Last reviewed July 20, 2026
Net Proceeds
$2,007,000
Net Proceeds
$2,007,000
Federal LTCG Tax
$600,000
NIIT
$114,000
State Tax
$279,000
Total Tax
$993,000
Effective Tax Rate
33.10%
Diagnostic

On a $3,000,000 gain, total tax comes to about $993,000, an effective rate of 33.10%.

That leaves about $2,007,000 in net proceeds after federal, NIIT, and state tax.

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What to do next

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Your action plan
  1. 1

    Review the risk level and primary pressure point

    Combine entered federal, NIIT, and state rate scenarios for a liquidity-event gain.

  2. 2

    Check the assumptions before using the result for a high-stakes decision

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

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This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

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Frequently Asked Questions

Everything you need to know.

What does an example Liquidity Event Tax Calculator calculation look like?
Using this calculator's own default assumptions, a total gain on the sale of $3,000,000, federal long-term capital gains rate of 20% and net investment income tax rate of 3.8% produces an estimated net proceeds of $2,007,000 and federal ltcg tax of $600,000. Enter your own numbers above to see how it changes for your situation.
Why do I owe both federal tax and state tax on the same gain?
Federal and state governments are separate tax systems. Your capital gain is subject to federal taxation, and most states layer their own capital gains or income tax on top, so both apply to the same sale proceeds.
What is net investment income tax and when does it apply?
Net investment income tax is an additional federal tax that applies to investment gains for higher-income individuals. It stacks on top of regular capital gains tax, so your total federal rate can be higher than the base capital gains rate alone.
Is the Liquidity Event Tax Calculator free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Liquidity Event Tax Calculator affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to compare brokerage accounts, or run Money Map to compare this investing & retirement decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (brokerage) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

A liquidity event triggers multiple layers of taxation simultaneously: federal capital gains tax, state tax, and potentially an additional tax on net investment income. Understanding how these three tax types stack together helps you model your after-tax proceeds and plan for the cash impact of the sale.

How to Use It

  1. 1Enter your total gain on the sale.
  2. 2Enter your expected federal long-term capital gains rate.
  3. 3Enter your net investment income tax rate, if applicable.
  4. 4Enter your state capital gains tax rate.
  5. 5Review the breakdown showing federal tax, NIIT, state tax, total tax owed, your net proceeds after all taxes, and your effective tax rate across the entire gain.
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