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Capital Gains On Shares Calculator

Work out capital gains on shares instantly with clear inputs, formula shown and shareable results.

About Capital Gains On Shares Calculator

The taxable gain is sale proceeds less cost of acquisition, and tax applies only to a positive gain. Showing the post-tax return on cost makes clear how much of the headline gain you actually keep.

Formula

Capital gain

Gain = (sale - cost) × quantity; tax = gain × rate when positive

Worked example

With the default values below, Capital Gains On Shares Calculator returns Capital Gain of $110,000.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Purchase Price Per Shareminimum 0
400
Sale Price Per Shareminimum 0
620
Quantityaccepts 1–100,000,000
500
Capital Gains Tax Rateaccepts 0–50 %
12.5 %

Results

Capital Gain
$110,000.00
Tax On The Gain
$13,750.00
Proceeds After Tax
$296,250.00
Post-Tax Return On Cost
48.125%

Step by step

  1. 1Values used
  2. 2Capital gain
  3. 3Capital Gain= 110,000.00
  4. 4Tax On The Gain= 13,750.00
  5. 5Proceeds After Tax= 296,250.00
  6. 6Post-Tax Return On Cost= 48.125

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Tax figures are estimates based on the single rate you enter. Real regimes have holding-period tests, exemptions, indexation and loss rules that vary by jurisdiction. This is not tax advice.
  • This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Tax figures are estimates based on the single rate you enter. Real regimes have holding-period tests, exemptions, indexation and loss rules that vary by jurisdiction. This is not tax advice.

Frequently Asked Questions

Can losses be set against gains?

In most regimes yes, with rules on which category of gain a loss may offset and how long it carries forward.

Are transaction costs deductible?

Brokerage and duty are usually added to cost or netted from proceeds, which reduces the taxable gain.

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