About the Calculator
The Section 1202 QSBS Exclusion Calculator is an institutional-grade financial modeling utility designed for venture-backed founders, angel investors, and early tech employees navigating startup liquidity events.
Statutory Precision
Unlike generic capital gains tools, this calculator implements the exact statutory mechanics of Internal Revenue Code (IRC) Section 1202(b)(1), including the Greater of $10M vs 10x Basis rule and historical acquisition tiers.
100% Client-Side Privacy
Equity exits and personal cost basis figures are sensitive financial information. All calculations run strictly in your local browser engine. No financial numbers are ever uploaded or tracked.
Legal & Accounting Disclaimer
This tool is for informational modeling purposes only and does not constitute formal legal, accounting, or tax advice. Section 1202 eligibility requires complex documentation (including C-Corporation balance sheet gross asset attestations and active business verifications). Always consult a certified CPA or tax attorney prior to filing IRS Form 8949.