United States Business Calculators
Formation, payroll, employee-cost and state-aware sales-tax tools for US small businesses, plus the full universal toolkit.
Start a business in your state
Choose a state to open a dedicated LLC or corporation formation-cost planner with state-aware filing-fee seeds and official-source verification links.
Choose your state →Plan company setup in United States
Estimate formation and first-year compliance costs using country-specific planning tools and current fee inputs where government charges can change.
United States calculators
US Business Formation Cost Calculator
Estimate one-time and recurring costs to form an LLC or corporation, separating state filing, registered agent, licensing, professional and annual compliance costs.
US LLC vs Corporation Cost Comparator
Compare multi-year formation and administrative costs of an LLC and corporation using state-aware filing-fee seeds with user overrides.
US Employee Total Cost Calculator
Estimate employer cost including 2026 federal FICA, standard-credit FUTA assumption, benefits and user-entered state/insurance costs.
US Sales Tax Calculator
Estimate US sales tax by integrating product taxability, destination rate and effective date. V0.9 uses imported official SST datasets when deterministically resolvable and clearly labels fallbacks.
US Employer Payroll Tax Calculator
Estimate employer Social Security and Medicare (FICA) taxes for 2026.
Need a universal business model?
Universal cash flow, valuation, loans, pricing, growth, investment, SaaS and e-commerce calculators remain available for every country.
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