Tax & Payroll
Short-Term Capital Gains Tax Calculator (2026)
Short-term gains are taxed as ordinary income — see the extra tax a gain adds on top of your other income.
Preparing your result…
What this calculator does
Shows extra ordinary tax caused by a short-term gain.
What your result means
Incremental federal tax on the gain.
Formula
Tax on gain = ordinary tax(income + gain) − ordinary tax(income)
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- G
- Short-term gain
- • Tax year 2026 figures from IRS Rev. Proc. 2025-32 unless stated.
- • Short-term gains taxed at ordinary 2026 rates.
Sources and review
Reviewed 2026-09-23 · Next review 2027-01-15
- • Loss netting not modelled.
- • Federal only — state and local taxes are excluded.
- • Rules change annually; figures apply to tax year 2026 only.
- • Educational estimate, not tax advice.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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