Tax Calculators & Estimators
Every tool reads from a dated, sourced dataset. Toggle the tax year, compare jurisdictions, and reverse-solve — the things generic calculators and chat assistants flatten.
Core calculators
The essentials — every figure tied to a published source.
Federal Income Tax
2026 IRS brackets, standard deduction, LTCG, NIIT, SE tax.
State Income Tax
All 50 states + DC with local taxes and reciprocity notes.
Self-Employment & QBI
15.3% SE tax and the 20% QBI deduction with phase-in.
Capital Gains
0/15/20% rates plus the 23.8% high-earner ceiling.
W-4 Withholding
2026 payroll withholding from IRS Pub. 15-T.
Estate Tax
The $15M per-person exclusion and portability.
Gift & GST
Annual exclusion, lifetime use, generation-skipping tax.
Differentiators
The multidimensional, reverse-solving tools generic calculators omit.
Reverse Tax (Target Net)
Solve for the gross income needed to hit a take-home target.
State vs State
Compare marginal and effective rates across two states.
Single vs Married
See how filing status moves your bracket.
Standard vs Itemized
When itemizing beats the 2026 standard deduction.
QSBS Exclusion
Model the OBBBA tiered qualified small-business-stock gain.
Crypto Tax
FIFO gain/loss by lot, short vs long-term, NIIT on digital-asset dispositions.
Multi-State Residency
Walk through dual-residency and convenience-rule traps.
Year-End Planning
End-of-year moves that change your 2026 bill.