Calculators
Capital Gains Tax Calculator
Estimate tax on long-term or short-term capital gains for planning only.
Federal tax data: 2026 IRS brackets, standard deductions, capital-gains thresholds, and Social Security wage base. Last checked 2026-07-14. Source: https://www.irs.gov/pub/irs-drop/rp-25-32.pdf. Federal estimate uses ordinary income tax brackets, standard deduction, and long-term capital gains thresholds. It does not include credits, AMT, NIIT, itemized deductions, phaseouts, or special cases.
Direct Answer
Use the Capital Gains Tax Calculator to estimate tax on long-term or short-term investment gains. It uses simplified federal rates for planning only.
Specific Use Cases This Tool Handles
Common situations where this tool helps, and what to do in each.
| Use Case | How This Page Helps |
|---|---|
| Quarterly tax planning estimate | Run income, rate, or location assumptions before setting aside money for tax payments. |
| Compare filing or location assumptions | Change the inputs to understand directional differences between scenarios. |
| Planning, not tax advice | Use the result as a rough estimate and verify official amounts with current tax rules or a tax professional. |
Complete the Workflow
Use these sibling tools together as a focused workflow instead of treating each page as a one-off utility.
How to Use Capital Gains Tax Calculator
- Fill in the input fields with your values.
- The result calculates automatically as you type.
- For spreadsheet work, switch to Bulk paste and paste rows copied from Excel or Google Sheets.
- Copy the result column and paste it back into your spreadsheet.
- Use the Copy result button to copy the output to your clipboard.
- Press Reset to clear all fields and start again.
Formula Reference
| Feature | Details |
|---|---|
| Purpose | Calculate a numeric answer from the values entered. |
| Single input | Numbers, dates, rates, or options depending on the calculator. |
| Bulk input | Rows copied from Excel, Google Sheets, CSV, or tab-separated columns. |
| Bulk output | A copyable result column or full table that can be pasted back into a spreadsheet. |
| Best for | Quick checks, homework, finance estimates, planning, everyday math, and spreadsheet cleanup. |
| Category | Calculators |
| Works on | Desktop, tablet, and mobile browsers |
Useful Related Tools
Frequently Asked Questions
Is what I enter in the Capital Gains Tax Calculator sent anywhere?
No. The calculation or transformation runs in your browser, so the values you type are not sent to a server or stored.