Our Mission
Our Mission
Paycheck Tax Calculator exists to make net pay understandable — federal plus state or provincial tax, payroll withholdings, and the extras that show up on a real stub — without forcing an account or locking core tools behind a paywall.
People use the site to check a new offer, compare states before a move, or sanity-check withholding: employees, freelancers, small-business owners, and advisors who need a clear estimate across 96+ countries, with deeper engines for the US and Canada.
The Founder
About Sammy S.
I'm Sammy S., the US-based engineer who builds Paycheck Tax Calculator. My day job is software engineering at a Fortune 100 company; I also hold a Master's in Computer Science with a minor in Economics. I started this site because paycheck math is messy in practice — federal tax is only half the story, and state or provincial rules plus payroll withholdings (FICA, CPP/EI) are what decide what hits your bank account.
I maintain the engines, comparison pages, and blog myself. Brackets and payroll rates come from primary authority publications (IRS and state revenue departments, CRA, HMRC, ATO, and peers). I refresh them for each tax year and after major budget changes so the calculators and the written guides stay on the same numbers.
Paycheck Tax Calculator is a bootstrapped product I own and operate — not a funded content mill. Sponsored or affiliate placements are disclosed where they appear and never change tax tables or calculator output. If a take-home result looks wrong for your state or province, email me; I route those reports into the engines directly.
With dozens of country and state engines, edge cases still slip through. If a number looks off, please send a short report— those notes are the fastest path to a fix.
Trust & Accuracy
Accuracy & Trust
How we ensure our calculations are reliable and trustworthy
Official Source-Based Calculations
All our tax calculations are based exclusively on official government publications and current tax laws. We do not use third-party estimates or outdated information. Every calculation is verified against the latest tax tables and regulations published by official tax authorities.
Regular Updates
We update our calculators annually to reflect the latest tax brackets, rates, and regulations. Our 2026 calculations are based on the most recent tax law changes and official publications. We monitor tax authority websites and publications to ensure our tools remain current throughout the tax year.
Transparent Methodology
We believe in transparency. Our calculation methodology is clearly documented, and we provide references to all official sources used in our calculations. Users can verify our results against official tax authority publications.
No Data Collection
Your privacy is important to us. We do not collect, store, or transmit any personal financial information. All calculations are performed locally in your browser. We do not use cookies for tracking purposes, and we do not share your data with third parties.
Coverage
What we cover
Paycheck-level engines where it matters most, plus country calculators worldwide
US & Canada depth
Full federal engines plus every US state and Canadian province/territory we publish — the layer that usually changes take-home the most after payroll tax.
96+ country calculators
Beyond the major hubs above, country pages link to that jurisdiction’s tax authority. Rates are refreshed for the current tax year when official tables land.
Comparisons & relocation
State-vs-state, city COL, and relocation pages reuse the same tax engines so scoreboards match the paycheck calculators — not a separate estimate stack.
Browser-local math
Core calculators run in your browser. We do not store the salary figures you type for a basic take-home estimate.
References
Official sources by country
Primary tax authority publications we use for 2026 engines. Each major calculator page links the same sources.
Below are the core authorities for our highest-traffic calculators. State and provincial revenue pages are used for US/Canada sub-national tax; country calculator methodology sections list the full set for that jurisdiction.
United States
Open United States calculator →Authority: IRS, SSA & state revenue departments
Federal income tax brackets, standard deduction, FICA (Social Security + Medicare), and state income tax for all 50 states plus DC — including no-tax states and local wage tax where we model it (e.g. NYC).
Canada
Open Canada calculator →Authority: Canada Revenue Agency (CRA)
Federal + provincial/territorial income tax, CPP (and QPP where applicable), EI, and province-specific extras such as Ontario Health Premium in the paycheck engine.
United Kingdom
Open United Kingdom calculator →Authority: HMRC & Revenue Scotland
PAYE income tax (England/NI/Wales and Scottish bands), employee National Insurance, and optional student loan repayment plans.
Australia
Open Australia calculator →Authority: Australian Taxation Office (ATO)
Resident income tax brackets, Medicare levy / surcharge options, offsets such as LITO where modeled, and study-loan repayment thresholds.
Singapore
Open Singapore calculator →Authority: IRAS & CPF Board
Resident progressive income tax, personal reliefs (within the relief cap), and CPF employee contributions by age band.
Authority: NTA & social insurance authorities
National income tax with employment-income and basic deductions, residence tax, and health / pension / employment insurance rates.
Germany
Open Germany calculator →Authority: BMF, BZSt & social insurers
Lohnsteuer-style wage tax by tax class, Solidaritätszuschlag where due, and the four social-insurance branches (pension, health, long-term care, unemployment).
France
Open France calculator →Authority: DGFiP / impots.gouv.fr & URSSAF
Impôt sur le revenu with quotient familial, and employee social charges aligned to URSSAF-style payroll contributions.
Ireland
Open Ireland calculator →Authority: Revenue (Irish Tax and Customs)
PAYE income tax, Universal Social Charge (USC), and PRSI, plus standard tax credits used in the paycheck model.
Netherlands
Open Netherlands calculator →Authority: Belastingdienst
Box 1 wage tax / national insurance premiums with general and labour tax credits (arbeidskorting / algemene heffingskorting) for the modeled year.
New Zealand
Open New Zealand calculator →Authority: IRD & ACC
Individual income tax rates, ACC earners' levy, and KiwiSaver employee contributions where selected.
Authority: Income Tax Department
New/old regime style income tax estimates and common payroll items such as provident fund where the calculator exposes them.
Other country calculators (and US state pages) cite that jurisdiction's tax authority on the page itself. If a linked publication moved or a rate looks stale, tell me — corrections go into the engines.
Source practice
How we pick and update sources
What counts as a primary source, and when tables get refreshed
Primary publications
We prefer IRS Rev. Procs, CRA T4032-style tables, HMRC rates pages, ATO schedules, IRAS YA rates, NTA tax answers, and peer PDFs/HTML from the authority that sets the law.
Tax-year cadence
Most jurisdictions update in January (or April for UK/Ireland budget cycles). We re-check brackets, payroll ceilings, and credits when those tables publish, then again after mid-year bills when needed.
Sub-national detail
US state and Canadian provincial rates come from revenue-department materials (and published rate summaries cross-checked against those departments). Local wage taxes are included only where the engine explicitly models them.
Honest limits
Special regimes, treaties, itemized edge cases, and every municipal levy are not always in scope. Calculator pages list assumptions; results are planning estimates, not filings.
Methodology
Calculation Methodology
How we calculate taxes accurately and transparently
Progressive Tax Bracket System
Our calculators use a progressive tax bracket system, which means different portions of your income are taxed at different rates. We apply the marginal tax rates to each portion of income falling within each bracket, ensuring accurate calculations that match how tax authorities actually calculate taxes.
Standard Deductions & Credits
We apply standard deductions and tax credits according to the rules of each respective tax authority. Deductions reduce your taxable income, while credits directly reduce your tax liability. All deduction and credit amounts are based on 2026 tax law.
Payroll Taxes
For countries that have payroll taxes (such as Social Security and Medicare in the US, or CPP and EI in Canada), we calculate these taxes based on current rates and wage base limits. These calculations are separate from income tax and are based on gross income.
State/Provincial Taxes
For countries with sub-national tax jurisdictions (such as US states or Canadian provinces), we calculate state/provincial taxes based on the specific rates and brackets for each jurisdiction. All rates are based on 2026 tax law.
Important Disclaimer: Our tax calculators provide estimates based on 2026 tax law and should be used for planning purposes only. Actual tax amounts may vary based on your specific situation, additional deductions, credits, or changes in tax law. Tax laws are complex and can change. For official tax filing and professional tax advice, we strongly recommend consulting with a qualified tax professional or referring to your country's official tax authority. We are not responsible for any errors or omissions in our calculations, or for any decisions made based on the information provided by our calculators.
Get in Touch
Questions, Bugs & Feedback
I keep tightening the engines over time. If a tax figure looks off, a feature is broken, or a rate looks stale, tell me — reports from people using a specific state or province are the fastest way to catch gaps.
For the most accurate and up-to-date tax information, please refer to your country's official tax authority website, which we've linked throughout this page.
Ready to calculate your take-home pay?