Financial & Tax Calculators
Institutional-grade tools designed to model complex tax, residency, and retirement moves.
Installment Sale to IDGT / IDIT Calculator
Model selling business equity or real estate to an Intentionally Defective Grantor Trust for an AFR note. Evaluate 10% seed equity rules under Woelbing, Rev. Rul. 85-13 nonrecognition, and Rev. Rul. 2004-64 tax burn.
IRC §1202 QSBS Exclusion & Trust Stacking Calculator
Model 3-, 4-, and 5-year QSBS holding period cliffs, §1045 rollover bridges, non-grantor trust stacking ($10M to $50M+), and state decoupling traps (CA, PA, MS).
Grantor Retained Annuity Trust (GRAT) Calculator
Model Walton zeroed-out GRATs, 20% escalating annuity structures (Treas. Reg. §25.2702-3), IRS §7520 hurdle rates, and tax-free transfers to heirs.
PPLI & PPVA Tax Wrapper Calculator
Model tax-free hedge fund compounding, IRC §817(h) quarterly diversification, §7702A MEC 7-pay tests, and Webber v. Commissioner investor control compliance.
The California Exit Arbitrage & FTB Audit Model
Model California FTB tax exposure, R&TC § 17952 stock sourcing, RSU/option workday ratios, FTB LR 2022-02 LLC look-through rules, and Domicile365 tracking.
S-Corp & Solo 401(k) Tax Arbitrage Calculator
Find optimal W-2 salary, calculate FICA drag, model 25% profit sharing, and unblock Backdoor Roth capacity via reverse IRA rollovers.
Employer Stock (NUA) Rollover Calculator
Compare Net Unrealized Appreciation (NUA) vs. Traditional IRA rollover for company stock in your 401(k). Optimize capital gains vs. ordinary tax.
Mid-Year Move + Roth Conversion Tax Risk Calculator
Moving to Florida or Texas mid-year? Calculate statutory residency risks (183-day presence & Permanent Place of Abode test under NY Tax Law § 605 and Matter of Gaied) for your Roth conversion.
Zero-Tax Retirement Income
Model the "Surgeon Strategy" to stack Roth, HSA, and capital gains buckets to pay $0 in federal income taxes during retirement.
Direct Indexing Tax Alpha Estimator
Estimate tax-loss harvesting alpha net of management fees — pre-positioned specifically for upcoming RSU vesting and equity liquidity events.
Section 351 Conversion ETFs
Diversify concentrated stock with immediate public market liquidity and 25/50 rule composition analysis.
Section 721 Exchange Funds
Tax-deferred partnership diversification when you cannot pre-diversify under §351 rules. Evaluate 7-year lockups.