US Tax-Loss Harvesting & $3,000 Capital Loss Offset Calculator 2026
Calculate capital loss netting (short-term vs long-term), the annual $3,000 ordinary income tax deduction offset, tax savings at your marginal tax bracket, and multi-year loss carryforward.
Current Year Direct Income Tax Saved
Calculator Inputs
Current Year Direct Income Tax Saved
Ordinary Income Offset (Max $3,000)
Unused Capital Loss Carryforward
Net Short-Term Gain/Loss
Net Long-Term Gain/Loss
Overall Net Capital Position
Under IRC § 1211(b), net capital losses can offset ordinary income up to a maximum of $3,000 per year ($1,500 if married filing separately). Remaining losses carry forward indefinitely.
This calculator is a mathematical model for general financial estimation, planning, and educational guidance. Results depend on your inputs and standard formulas, and do not constitute binding financial, tax, or investment advice. Always consult a qualified professional before making financial decisions.
Calculation Methodology
Net Short-Term = ST Gains - ST Losses; Net Long-Term = LT Gains - LT Losses. Total Net Loss offsets ordinary income up to $3,000. Carryforward = max(0, Total Net Loss - $3,000).
Frequently Asked Questions
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