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Capital Gains Tax Calculator

Estimate the federal tax on a long-term capital gain. See which 0%/15%/20% brackets your gain falls into and your NIIT exposure.

Your Inputs

Estimated Federal Tax on Your Gain

$7,500

$7,500 long-term capital gains tax

Summary

Effective Rate

15%

Marginal Rate

15%

0% Bracket Room Left

$0

Filing: single· Gains stack on top of ordinary income.

Where Your Gain Falls

15% bracket

$50,000 of your gain

$7,500

Keep in Mind

This is a federal estimate. Most states tax capital gains as ordinary income, and state rates vary from 0% to over 13%. The 3.8% NIIT applies when your MAGI exceeds $200,000 (single) or $250,000 (married).

Want personalized advice on these results?

Alistair can analyze your situation in depth, remember your numbers, and give you a customized plan.

What Alistair will see:

Capital Gains: $50,000 gain stacking on $80,000 ordinary income, filing single.

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