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Capital Gains Tax Calculator

Estimated tax on a capital gain.

Estimate the tax owed on a capital gain from sale price, cost basis, and the applicable long- or short-term tax rate.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

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Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Gain = Proceeds − Cost basis. Tax = Gain × Rate. Use long-term rates if held > 1 year, otherwise short-term (your ordinary income rate).

In depth

Estimate the tax owed on a capital gain from sale price, cost basis, and the applicable long- or short-term tax rate.