Interactive tools for smarter tax decisions
Free calculators for residency, ACA subsidies, and estimated tax — no email required. Looking for Excel templates? Find them under Business services.
U.S. Tax Residency Calculator
Instantly check whether you qualify as a U.S. tax resident under the Substantial Presence Test, Green Card Test, or citizen rules — no email required.
Premium Tax Credit Calculator
Estimate your ACA Marketplace subsidy. Enter income, family size, and your benchmark Silver premium to see PTC eligibility and monthly credit.
Calculadora do Premium Tax Credit
Versão em português. Estime seu subsídio do Marketplace do ACA com renda, composição familiar e prêmio Silver de referência.
Estimated Tax Calculator
Federal income tax, all-50-state tax, and FICA broken out by employee and employer. W-2, self-employed, and S-corp modes for 2025 and 2026.
Calculadora de Imposto Estimado
Imposto federal, estadual (50 estados + DC) e FICA separado entre empregado e empregador — nos modos W-2, autônomo ou S-corp, para 2025 e 2026.
Need something more tailored?
Our team builds custom financial models, tax projections, and operating dashboards for clients every day.
Schedule a Consultation