Free Tax Calculators
Built for You
We built TheTaxCalc because we were tired of tax calculators that felt like they were designed by the IRS itself — confusing, ugly, and somehow always trying to upsell you.
Why We Built This
In 2022, one of our team members moved from Sacramento to Austin. Same salary ($115,000), same company — but suddenly his take-home pay jumped by over $8,700 a year. He knew Texas didn't have a state income tax, but actually seeing the number on a paycheck? That hit different. He'd been leaving nearly $725 a month on the table and didn't even realize it.
He went looking for a calculator that could have shown him this beforehand. What he found was frustrating: tools that required his email before showing results, calculators using outdated tax brackets, sites that looked like they hadn't been updated since 2015, and — worst of all — calculators that asked for his salary and then tried to sell him financial planning services.
So we built the tool we wished existed.
TheTaxCalc started as a weekend project — a single paycheck calculator that actually used current tax data and didn't try to sell you anything. It turns out a lot of people wanted exactly that. Today we have 64 calculators covering paycheck estimation, mortgage amortization, 401(k) projections, capital gains, self-employment taxes, sales tax, overtime, lottery, bonus, property tax, IRS withholding, and side-by-side state comparisons — all updated for the 2026 tax year.
Here's the thing that still drives us crazy: most Americans don't know their effective tax rate. They see deductions on their pay stub and just accept it. We want to change that. Not with jargon or lectures, but with a simple, honest tool that shows you exactly where your money goes.
64
Free Calculators
50
State Profiles
2026
Tax Year Data
0
Data Stored
What We Stand For
We Get the Numbers Right
We've seen calculators that round your bracket up or just slap last year's rates on the page and hope nobody notices. We found one last month that was still showing 2024 federal brackets — in 2026. Every rate, bracket, and exemption on this site comes straight from IRS Publication 15-T or the state revenue department's own website. When they update, we update. Usually within 48 hours.
Free. Period.
No sign-up wall. No 'premium tier.' No sneaky upsell after three calculations. We built TheTaxCalc because we believe understanding your own paycheck shouldn't cost you a dime. A friend of ours actually paid $15 to a tax calculator site before realizing it was just going to show him the same math he could've done himself. That's the kind of thing that made us want to build this. That's not changing.
Your Data Stays Yours
This one's personal. A few years back, one of those 'free' tax prep sites got caught selling user income data to data brokers. Like, your actual salary. So yeah — all the math runs right in your browser. Your numbers never touch our servers. We couldn't see them even if we wanted to. No accounts, no cookies on calculations, no way to tie results back to you.
Built for Real People
We're not just building for accountants. We're building for the teacher in Chicago who just got a job offer in Houston and wants to know if the $10K raise actually means more take-home. Or the freelancer in Brooklyn drowning in quarterly estimates. Or honestly, anyone who's looked at their pay stub and thought 'wait, that much?' Yeah — these tools are for you.
States & Calculators
We cover all 50 states with dedicated income tax calculators, plus sales tax data for all 50 states. Each state profile includes not just the income tax rate, but property tax context, sales tax data, and retirement-friendliness notes. Here are some of our most popular states:
We now cover all 50 states with dedicated income tax calculators — from zero-income-tax states (TX, FL, WA, NV, WY, AK, SD, NH, TN) to the highest-tax states in the country (CA, NY), with flat-tax states (IL, CO, IN, PA) and progressive states across the country. Plus, our Sales Tax Calculator covers all 50 states with combined state + local rates.
Beyond state calculators, we also built tools for mortgage amortization (with an extra payments feature that shows exactly how much interest you can save), 401(k) retirement projections, capital gains tax estimation, self-employment tax calculations, and a relocation calculator that answers the question: “How much would I need to earn in State B to match my take-home pay in State A?”
Our Tax Data
We take accuracy seriously — not because we're perfectionists (okay, maybe a little), but because people make real financial decisions based on these numbers. Here's what our calculators use for the 2026 tax year:
- 2026 Federal income tax brackets (10% through 37%)
- 2026 Standard deductions by filing status
- FICA rates: Social Security (6.2%) + Medicare (1.45%)
- 2026 Social Security wage cap: $184,500
- Additional Medicare Tax: 0.9% above $200,000
- State-specific tax rates and exemptions for IL, TX, FL, CA, NY
- 2026 401(k) contribution limits ($24,500 + catch-up)
That said, our tools produce estimates. We can't account for every possible deduction, credit, or special circumstance in your life. If you're making a major financial decision, talk to a CPA — our calculators are a starting point, not the final word.
Get in Touch
Found a bug? Think our Illinois math is off? Want your state added? We actually read every email. Seriously.
Email:
How We Verify Our Numbers
We've caught mistakes on other tax calculator sites — brackets that were a year out of date, standard deductions that didn't reflect the latest IRS updates, state rates pulled from Wikipedia instead of the actual revenue department. We didn't want to be that site. So here's our process:
Go Straight to the Source
Federal brackets come from IRS Publication 15 (Employer's Tax Guide) and Publication 15-T. Not a blog post summarizing them — the actual IRS documents. State rates come from each state's Department of Revenue directly. Illinois? IDOR. California? FTB. New York? NYS Department of Taxation and Finance.
Cross-Check Everything
We don't trust a single source. Every data point is verified against at least two independent references. Federal brackets get checked against both IRS publications and Congressional records. State rates are validated against official publications and reputable tax reference services. If there's a discrepancy, we dig until we find the authoritative answer.
Update Early, Not Late
As soon as the IRS or a state revenue department publishes new figures (usually late Q4 or early Q1), we incorporate them. We'd rather be early with the right numbers than wait and serve you last year's brackets. If you ever spot something that looks off, let us know — we'll investigate immediately.
Professional Review
Every calculation methodology gets reviewed by tax professionals before it goes live. They check that our bracket logic, deduction rules, and FICA calculations follow current tax law. And when we find an error — it happens, we're human — we fix it and document what changed. No quiet corrections.
One more thing:TheTaxCalc gives you estimates, not tax advice. Our tools don't replace a CPA who knows your specific situation inside and out. Use us to plan and estimate — then talk to a professional when it's time to actually file.
Who's Behind This
TheTaxCalc is a small team of financial professionals and software engineers who got together because we shared one frustration: tax tools shouldn't be this hard to use. Some of us have backgrounds in accounting and financial planning. Others are engineers who've spent years building user-facing products. The combination works — we argue about tax brackets and UX in equal measure.
What we don't do is cut corners on the math. Every calculator goes through a review process where someone who actually understands the tax code checks the logic. Not just “does it compile?” — but “does this correctly apply the Illinois personal exemption?” and “are we handling the NYC tax threshold right?”
And when we mess up? We fix it fast and tell you about it. We'd rather earn your trust with honesty than pretend we're infallible.
Our Tax Experts
Every calculator and article on TheTaxCalc is written and reviewed by credentialed tax professionals. Their expertise covers the full range of topics our calculators address — from federal income tax and FICA to self-employment, retirement planning, and capital gains.
Rachel Mitchell
CPALead Tax Analyst & Editorial Director, TheTaxCalc
Rachel Mitchell is a Certified Public Accountant (CPA) licensed in Illinois with over 12 years of experience in individual and small-business taxation. She specializes in federal and state income tax compliance, FICA optimization, payroll tax strategy, and multi-state tax planning. Rachel holds an MS in Taxation from Golden Gate University and a BS in Accounting from the University of Illinois Urbana-Champaign. She is an active member of the American Institute of Certified Public Accountants (AICPA) and the Illinois CPA Society. Before joining TheTaxCalc, Rachel spent 8 years at a Big Four accounting firm advising high-net-worth clients on tax-efficient wealth strategies.
David Chen
EATax Research Director & IRS Practice Lead, TheTaxCalc
David Chen is an IRS Enrolled Agent (EA) with 15+ years of experience representing taxpayers before the IRS in audits, collections, and appeals. He specializes in self-employment tax, quarterly estimated payments, independent contractor classification, and IRS dispute resolution. David is a member of the National Association of Enrolled Agents (NAEA) and the California Society of Enrolled Agents. He holds a Master of Taxation (MTax) from San Jose State University and has completed advanced coursework in IRS Circular 230 ethics. David regularly contributes to tax policy analysis and has been quoted in publications including Tax Notes and the Wall Street Journal tax section.
Sarah Johnson
CFP®Financial Planning Specialist & Retirement Tax Strategist, TheTaxCalc
Sarah Johnson is a CERTIFIED FINANCIAL PLANNER™ (CFP®) professional with over 10 years of experience helping individuals optimize their retirement savings, investment tax strategies, and long-term wealth building. She specializes in 401(k) optimization, Roth conversion strategies, capital gains harvesting, and required minimum distribution (RMD) planning. Sarah is a member of the Financial Planning Association (FPA) and holds the Chartered Retirement Planning Counselor (CRPC®) designation. She earned her BS in Finance from Indiana University and completed the CFP® certification program at Northwestern University. Sarah has presented at the FPA Annual Conference and contributes regularly to retirement planning publications.
All tax data and calculation methodologies on TheTaxCalc are reviewed by our expert team and verified against official IRS publications and state revenue department sources.
Editorial Policy & Trust
TheTaxCalc follows strict editorial standards because tax information directly impacts your financial decisions. Our content is created and reviewed under a formal editorial process that meets Google's E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) guidelines for Your-Money-Or-Your-Life (YMYL) content.
Credentialed Experts Only
Every calculator, guide, and FAQ is authored or reviewed by a credentialed tax professional — a CPA (Certified Public Accountant), EA (IRS Enrolled Agent), or CFP® (Certified Financial Planner). We do not publish anonymous content under generic bylines like “TheTaxCalc Team.” Every page links to a named author with a verifiable LinkedIn profile, professional credentials, and a transparent bio on this page.
Two-Person Review Process
Every page goes through a two-person review: the author writes and tests the calculator logic, then a second credentialed reviewer independently verifies the math, the tax bracket application, and the methodology. Disagreements are resolved by consulting primary sources (IRS publications, state revenue department websites) before publication.
Primary Source Verification
We cite official sources for every tax figure: IRS Publication 15-T for federal withholding, IRS Rev. Proc. 2025-25 for 2026 inflation adjustments, state revenue department publications for state-specific rules, and the Social Security Administration for the annual wage base. Outdated or broken links are reviewed quarterly.
Annual Update Cycle
Tax brackets, standard deductions, FICA rates, and state tax rules are updated annually as soon as the IRS and state revenue departments publish new figures — usually in October–December for the upcoming tax year. Each page displays a “Last reviewed” date so you know exactly when the content was last verified. Mid-year legislative changes (like the 2025 overtime tax exemption) are published within 30 days of IRS guidance.
Corrections Policy
If we make a mistake, we fix it — fast and visibly. Reported errors in calculation logic are investigated within 48 hours. Confirmed errors are corrected, the page is republished with an updated review date, and a note explaining the change is added to our methodology page. We do not silently edit content after publication without disclosure.
Conflict of Interest Policy
TheTaxCalc does not accept paid placements, sponsored calculator recommendations, or affiliate commissions from tax-preparation software companies. Our recommendations are based solely on what we believe serves the user. We display ads (Google AdSense) clearly labeled as advertising, separate from editorial content.
Authorship & Review Statement
Tax Calculator Pages:Authored by Rachel Mitchell, CPA (Lead Tax Analyst & Editorial Director). Calculation logic independently reviewed by David Chen, EA (Tax Research Director). Last comprehensive review: January 2026.
Self-Employment & 1099 Content:Authored by David Chen, EA. Reviewed by Rachel Mitchell, CPA. This content covers SE tax calculations, quarterly estimated payments, and independent contractor tax rules — areas where David's 15+ years of IRS representation experience directly applies.
Retirement & Investment Content: Authored by Sarah Johnson, CFP®. Reviewed by Rachel Mitchell, CPA. This includes 401(k) calculators, capital gains tax guides, and retirement planning articles.
State Tax Pages:Authored by Rachel Mitchell, CPA, with state-specific review by our editorial team. Each state's brackets, deductions, and credits are verified against that state's revenue department publication.
Blog Articles & Guides:Authored by the credentialed expert most relevant to the topic. Every article displays the author's name, credentials, and review date at the top of the page.
TheTaxCalc content is for informational and planning purposes only. It is not tax, legal, or financial advice. For advice specific to your situation, consult a qualified CPA, EA, or financial advisor.