Capital gains tax calculator
Model your 2025 federal and state capital gains taxes across multiple transactions. Enter purchase and sale details to preview holding period, netting, and tax outcomes.
Run a quick Gain Tax Calculator estimate
Enter the basics for a single asset sale to preview 2025 federal and state capital gains tax before you commit to the transaction.
What this calculator covers
- Short-term vs. long-term classification based on holding period.
- Federal marginal rate calculations using 2025 brackets and filing status.
- State-level capital gains rates for high-impact jurisdictions.
- Effective rate and tax-to-proceeds comparisons for strategic planning.
Frequently asked questions
Yes. Holding periods of 365 days or less are taxed using ordinary income brackets while assets held longer than a year use the 0%, 15%, or 20% long-term brackets for the selected filing status.