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2026 tax-year planner
2026 Capital Gains Tax Calculator
Estimate how long-term capital gains and qualified dividends stack across the 2026 federal 0%, 15%, and 20% bands, then layer NIIT and optional state tax into one shareable scenario.
Estimated total tax
$6,750.00
Effective rate on this gain: 15%
Scenario inputs
Share on XFederal LTCG tax
$6,750.00
NIIT estimate
$0.00
State estimate
$0.00
2026 gain stack
Top federal band: 15%
| Band | Gain taxed | Rate | Tax |
|---|---|---|---|
| 0% long-term gain band | $0 | 0% | $0.00 |
| 15% long-term gain band | $45,000 | 15% | $6,750.00 |
| 20% long-term gain band | $0 | 20% | $0.00 |
Remaining 0% room after this gain
$0
Remaining 15% room after this gain
$410,500
Threshold reference used
All other individuals
0% cap: $49,450
15% cap: $545,500
NIIT check
Threshold: $200,000
NIIT base: $0
Estimates use taxable income stacking for most long-term capital gains. Special rates for collectibles, unrecaptured section 1250 gain, qualified small business stock, AMT, credits, and state-specific rules are outside this calculator.