Capital Gains Tax Calculator

Estimate short-term and long-term tax liabilities on stocks, crypto, or real estate sales. Include indexation adjustments and deductible personal allowances instantly.

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Advanced Indexation & Allowances

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Net Cash Proceeds After Tax
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Your final cash pocket size
Gross Capital Gain
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Before taxes & indexations
Total Estimated Taxes
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Federal & Local taxes combined
Indexated Adjusted Cost
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Purchase price adjusted for inflation
Post-Tax ROI
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Your actual growth percentage yield

Proceeds Distribution Split

Purchase vs Sales Proceeds Comparison

Capital Gains Tax Itemization Breakdown

Tax / Cost Stream Category
Amount & Transaction Breakdown

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1. What is Capital Gains Tax?

Capital gains tax is a tax imposed by governmental bodies on the profit realized from selling a non-inventory asset, such as stocks, mutual funds, real estate properties, or cryptocurrency tokens. The taxable amount is calculated by subtracting the initial purchase cost basis (plus acquisition expenses) from the final sale proceeds.

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2. Understanding Cost Inflation Indexation (CII)

Over a multi-year holding duration, inflation naturally degrades the value of a currency. To prevent taxpayers from paying taxes on artificial paper profits caused solely by inflation, many jurisdictions allow indexation adjustments.

3. Deducting Personal annual Allowances & broker commissions

Your net taxable capital gain can be legally minimized by deducting broker fees, transfer charges, acquisition commissions, and legal fees. Furthermore, most tax system provides a personal tax-exempt annual allowance, allowing a baseline portion of your investment profits to remain entirely tax-free.

Frequently Asked Questions

Do I owe capital gains tax if my investments go up but I do not sell?

No. You only owe capital gains tax on "realized" gains—which occur when you actually execute a transaction to sell or trade your assets. Unsold investments represent "unrealized" or paper gains, which are not currently subject to capital gains tax.

How do capital losses offset taxable gains?

If you sell an asset for less than you paid for it, you incur a capital loss. In many jurisdictions, you can use capital losses to offset or reduce your capital gains. This process is commonly called "tax-loss harvesting."

What are short-term vs long-term capital gains tax brackets?

Assets held for a year or less usually trigger short-term capital gains, which are taxed at higher ordinary income rates. Assets held for more than a year qualify for long-term capital gains tax, which typically features lower, preferential tax rates.