Capital Gains Tax Calculator

How this Capital Gains Tax calculator works

Enter sale price, basis, and rate assumptions.

Capital Gains Tax laws across the U.S.: what you need to know

Federal baseline rules often apply nationwide, but state statutes, court rules, and agency practice can change amounts, deadlines, and remedies. Choose your state in the calculator to read jurisdiction-specific context. Always confirm current law with a licensed attorney in your state.

Frequently asked questions

Legal Sources & References

• Internal Revenue Service — Publication 550 (Investment Income and Expenses)
• 26 U.S.C. — Federal income tax provisions (capital gains context)
• IRS.gov — Cost basis and holding period guidance
• State department of revenue sites — state income tax overlays
• IRS Instructions for Form 1040 — reporting context

Citations are for research and verification. Statutes, thresholds, and agency guidance change; confirm the current text with official sources or a licensed attorney in your state.