Every US tax deduction and credit, organized, verified, and explained.
The reference destination for filers, freelancers, small-business owners, and investors — federal and all 50 states. Sourced from IRS.gov and state Departments of Revenue. Plain-English guides, working calculators, printable checklists.
Browse 406 federal deductions by category
Every above-the-line adjustment, itemized deduction, and business expense the IRS allows — organized by where they live on your return.
2026 amounts for every filing status, plus the standard-vs-itemized decision.
HSA, student loan interest, self-employed retirement, educator expenses, more.
The 7.5% AGI threshold, long-term care, home modifications, medical travel.
The $10K SALT cap, state income tax, property tax, PTET workarounds.
Home mortgage interest, points, PMI, second homes, grandfathered debt.
Cash, appreciated property, DAFs, QCDs, vehicles, and carryover rules.
Casualty losses, gambling losses, investment interest expense, claim-of-right.
Home office, vehicles, meals, travel, contractors, COGS, wages, insurance.
Section 179, bonus depreciation, MACRS, cost segregation, real estate lives.
Retail, restaurant, construction, SaaS, consulting, real estate, medical, more.
Depreciation, passive activity, real estate pro status, Airbnb, cost seg.
Capital losses, wash sales, tax-loss harvesting, crypto, MLPs, QOZ deferrals.
IRA/401(k) limits, SEP, Solo K, Roth conversions, RMDs, catch-ups.
Student loan interest, 529 plans, ESAs, employer $5,250 exclusion.
$250K/$500K sale exclusion, home improvements, basis, foreclosure.
Military, clergy, farmers, healthcare, real estate agents, creators, drivers.
Browse 253 federal tax credits by category
Credits reduce your tax bill dollar-for-dollar. Refundable, non-refundable, phase-outs, and forms — all in one place.
CTC, Additional CTC, EITC, Child & Dependent Care, Adoption Credit.
AOTC, LLC, 1098-T reading, grandparent tuition, refundable portions.
Saver's Credit, Saver's Match, excess SS withheld, ABLE contributions.
30% solar credit, EV credit ($7.5K), heat pumps, home audit, batteries.
WOTC, R&D credit, Disabled Access, Small Employer Health Insurance.
Mortgage Interest Credit (MCC), first-time buyer IRA withdrawal, DPA.
Premium Tax Credit (ACA), reconciliation, 1095 forms, family glitch fix.
FTC, FEIE, housing exclusion, FBAR, FATCA, PFIC, digital nomads.
RRC, Sick/Family Leave, ERC, First-Time Homebuyer (2008-2010) repayment.
AMT credit, fuel credit, historical rehab, energy production, and more.
Your state, exactly the way its Department of Revenue defines it.
Every state gets 10 dedicated pages: overview, deductions, credits, brackets, calculator, residency, retirement taxation, Social Security treatment, part-year rules, and reciprocity agreements.
Choose your state
50 states · 500 pages · Verified from state DORsWorking calculators for every real tax question
100 calculators total — 40 federal, 50 state (one per state), and 10 side-by-side comparisons.
Standard vs Itemized
Enter your numbers once. See which route saves more, with the crossover point flagged.
Open calculator →Federal Income Tax 2026
Marginal and effective rates for TY2026, including QBI, standard deduction, and credits.
Open calculator →Self-Employment Tax
15.3% SE tax on net earnings, with the deductible half calculated automatically.
Open calculator →Home Office Deduction
Simplified method vs actual-expense method, side by side — with depreciation impact.
Open calculator →Child Tax Credit
CTC amount, Additional CTC refundable portion, Credit for Other Dependents, phase-outs.
Open calculator →State Income Tax (50 states)
Pick your state. Rate schedules, credits, and residency rules baked in for TY2026.
Choose state →Find the deductions that actually apply to you
Instead of hunting through 400+ deductions, start where you are: your job, a life event, your business structure, or your investment mix.
By Occupation
40 guides — the deductions your line of work actually uses, with checklists.
Browse all 40 occupations →By Life Event
30 guides — what changes tax-wise when something major happens in your life.
Browse all 30 life events →By Business Type
20 guides — how sole prop, LLC, S-Corp, partnership, and nonprofit differ.
Browse all 20 business types →For Investors
10 guides — stock, crypto, rental, bonds, options, foreign, and more.
Browse all 10 investor guides →The complete guides worth reading end-to-end
60 pillar guides, 3,000–5,000 words each, with companion PDFs. The kind of writing you bookmark and come back to.
The Complete Guide to the Home Office Deduction
Simplified vs actual, depreciation on sale, exclusive-use rule, and the audit triggers to avoid.
The Complete Guide to Rental Property Tax
Depreciation, passive-activity rules, real-estate-pro status, and the $25,000 loss allowance.
The Complete Guide to Multi-State Taxation
Residency, reciprocity, remote workers, snowbirds — every scenario that generates two returns.
Using ChatGPT or Claude for your taxes? Read this first.
General AI is confidently wrong about tax law more often than you'd think. Our AI-in-tax-prep hub covers what each tool can and can't do, with copy-paste prompt templates that stay inside the guardrails.
Enter the AI Hub →Every form walked through, line by line
102 IRS forms with plain-English walkthroughs — from the 1040 you file each year to the specialty forms nobody explains well.
What changed this week in US tax
A weekly digest every Tuesday, plus deep tutorials, monthly analyses, and coverage of every rule change worth your attention.
TCJA Sunset Analysis: What Changed for 2026
Every provision that expired, extended, or repriced — with a plain-English impact assessment for filers, businesses, and estates.
Rule Coverage · TY2026IRS Announces 2026 Inflation Adjustments
Standard deduction, tax brackets, contribution limits, phase-outs — the numbers that drive every deduction on the site.
AnalysisState of Tax Season: What to Expect for TY2026 Filing
Filing timelines, IRS backlog signals, direct-deposit reliability, and this year's most common Q1 mistakes.
Written by people, verified against primary sources
Tax content is Your-Money-Your-Life territory. We name the people who write every page, cite the IRS publication behind every claim, and date-stamp when we last verified it.
Educational information — not tax advice
Tax Deduction Atlas provides educational content about US federal and state taxation. We are not tax preparers, accountants, attorneys, or IRS-authorized advisors. Nothing on this site constitutes personalized tax, legal, or financial advice.
Tax laws change frequently, and individual situations vary. Before acting on anything you read here, verify against current IRS.gov publications and — for anything material — consult a licensed CPA, Enrolled Agent, or tax attorney. Read our full Educational Disclaimer and Not Tax Advice policies.