Free AI-powered tax calculators for freelancers and small business owners — entity comparison, S-Corp savings, QBI deduction, quarterly tax, and 15 more. No signup, no paywall.
📬 Get weekly tax savings insights — free:
Every feature is built for one purpose: help you keep more of what you earn.
Enter your income, state, and filing status. Get your exact tax burden — by entity type, quarterly payment, or deduction scenario — in seconds.
Try the calculatorsLLC vs S-Corp vs C-Corp — with real math for your income level. See exactly which structure saves the most and when to make the switch.
Compare entitiesAsk any tax question. Our AI advisor cites the IRS publication and code section directly — not generic answers, but the source behind every answer.
Ask the AI advisorFive deep-dive guides, a full 2026 research hub, and IRS-sourced analysis. Understand the rules before you make the move.
Browse the researchOur Entity Structure Comparison is the most powerful free tax tool for business owners. Enter your income, state, and filing status — get a side-by-side tax breakdown for LLC, S-Corp, and C-Corp with a clear recommendation.
[SEEK EXPERT ADVICE] — Results are estimates for educational purposes. Consult a CPA before making structural changes.
Real tax tools built on 2026 law. No signup to calculate — just answers.
LLC vs S-Corp vs C-Corp — real tax impact for your income, state, and filing status
SE tax (Social Security + Medicare), income tax, effective rate, and quarterly payment schedule — 2026 rates
Never miss a Q-payment — AI-generates your personalized quarterly worksheet + safe harbor amounts
Simplified vs actual method, side by side — know which saves more before you file
AI-generates Form 2553 cover letter, board resolution, and state-by-state filing checklist
IRS-compliant accountable plan document — protects deductions and satisfies IRC § 62(c)
Your complete 2026 tax picture: SE tax + income tax + effective rate + quarterly payment schedule
23% pass-through deduction under OBBBA (IRC § 199A) — see your exact deduction for 2026
Side-by-side SE tax savings at every income level — when does S-Corp actually start paying off?
IRS-defensible salary for your role + state — avoid audit risk on your S-Corp distributions
Find the optimal salary-to-distribution split to minimize total payroll + income taxes
Compare total tax burden across 50 states — see which states save freelancers and owners the most
Calculate your IRS underpayment penalty before you file — and see what to pay to avoid it
AI-generated personalized report: your top 5 savings opportunities ranked by dollar impact
2026-specific entity structure analysis with OBBBA changes — see how new law affects your best entity choice
Calculate your 23% qualified business income deduction under the One Big Beautiful Bill Act — permanent for 2026+
What should your S-Corp salary be? Role-based, state-adjusted, IRS-defensible salary benchmarks
Should you elect S-Corp? See your projected payroll tax savings, compliance costs, and break-even income level
Quick 1099 tax estimate — SE tax, income tax, effective rate, and what to set aside each quarter
IRS-sourced analysis and deep-dive guides on the decisions that matter most.
Real tax math at $75K, $150K, and $250K income. Know exactly which entity structure wins for your situation.
Read guide15.3% on the first $184,500, the 50% deduction, quarterly obligations, and how entity structure changes everything.
Read guideThe $50K–$80K profit threshold, reasonable salary rules, Form 2553 deadlines, and the compliance costs to model in.
Read guideSafe harbor rules, Q1–Q4 due dates, underpayment penalty calculation, and how to never owe a surprise bill at year-end.
Read guideWho qualifies, what exclusive use really means, and the math on simplified ($5/sq ft) versus actual expense method.
Read guideWhether you’re a freelancer, contractor, or small business owner — we have the tools and guides for your situation.
Calculate your self-employment tax, estimate quarterly payments, and maximize home office and expense deductions.
Explore freelancer tools →Compare LLC vs S-Corp, generate your S-Corp election documents, and build an IRS-compliant expense policy.
Explore small business tools →Everything contractors need — SE tax calculation, quarterly estimated payments, and home office deductions.
Explore contractor tools →The calculators and guides freelancers reach for most. No signup, no cost.
Calculator
Self-Employment Tax Calculator
15.3% SE tax, income tax, effective rate & quarterly payment schedule — 2026 rates
Calculator
S-Corp Election Calculator
Calculate payroll tax savings, Form 2553 deadline, and break-even threshold
Calculator
QBI Deduction Calculator
23% Section 199A deduction — permanent under OBBBA. Calculate your exact 2026 deduction.
Calculator
Home Office Deduction
Simplified ($5/sq ft) vs actual method — know which saves more before you file
Calculator
Estimated Tax Worksheet
Q1–Q4 payment amounts + safe harbor thresholds — never underpay again
Latest Tax Guides
Guide
Self-Employment Tax 2026: Full Breakdown
15.3% rate breakdown, the 50% deduction, quarterly schedule — IRS-sourced
Guide
S-Corp Election 2026: When, Why & How
The $50K–$80K profit threshold, reasonable salary, Form 2553 deadlines
Guide
OBBBA Tax Changes 2026: What Freelancers Need to Know
How the One Big Beautiful Bill Act changes freelancer taxes — QBI at 23%, bonus depreciation restored
Guide
Quarterly Estimated Taxes: 2026 Deadlines
Safe harbor rules, Q1–Q4 due dates, underpayment penalty calculation
Guide
Home Office Deduction 2026: Simplified vs Actual
Who qualifies, exclusive use rules, and the math on both methods