Taxliva
Tax year 2026
United States
United KingdomLiveCanadaLiveAustraliaLiveUnited StatesHub live · tools in development

United States · Tax year 2026U.S. Tax & Financial Calculators

Explore federal income tax, paycheck deductions, FICA, capital gains, self-employment and state tax topics. U.S. calculators are being built and verified.

🇺🇸 United StatesTax year 2026Hub live · calculators in development
FederalPaycheckStatesOfficial sources
Federal firstIRS rules and filing status before tax results
Payroll is separateW-4 withholding and FICA are different calculations
States need local rulesNo generic state rate or ZIP-code guess
No false precisionUnverified calculators remain unavailable

U.S. tools in development

Planned topics from the U.S. specification. These are not active calculators yet.

Federal income tax

Filing status, deductions, credits and the federal tax return.

Federal income tax · Child Tax Credit · Earned Income Tax Credit · Tax refund estimator

In development

Paycheck & salary

W-4 withholding, Social Security, Medicare and pay frequency.

Paycheck · Take-home pay · Salary · FICA · Hourly to salary · Salary to hourly

In development

Investing

Capital gains and the interaction with other taxable income.

Capital gains tax

In development

Retirement

Workplace and individual retirement contributions.

401(k) · IRA

In development

Self-employment & business

Self-employment tax, estimated payments and business structure.

Self-employment tax · Estimated quarterly tax

In development

Property & state taxes

State and local income, sales and property rules need separate verified data.

State tax hubs · Sales tax · Property tax estimator

In development

State rollout priorities

These are research priorities, not published state tax packages or calculators.

CACaliforniaRules pending verification
NYNew YorkRules pending verification
TXTexasRules pending verification
FLFloridaRules pending verification
ILIllinoisRules pending verification
PAPennsylvaniaRules pending verification
NJNew JerseyRules pending verification
MAMassachusettsRules pending verification
WAWashingtonRules pending verification
GAGeorgiaRules pending verification
NCNorth CarolinaRules pending verification
VAVirginiaRules pending verification
OHOhioRules pending verification
MIMichiganRules pending verification
AZArizonaRules pending verification

A state without broad wage income tax can still have other taxes. Local withholding, sales and property rules also require jurisdiction-specific sources.

Important U.S. tax distinctions

Filing status and deductions affect a federal return. A paycheck uses W-4 withholding rules, which can differ from final annual liability. Social Security and Medicare payroll taxes are separate from federal income tax. State and local taxes depend on where you live and work.

Credits, capital-gain treatment, self-employment and retirement rules require eligibility facts. Taxliva will not publish a numerical result for a topic until its 2026 rules, boundary tests and worked examples have been checked against official sources.

See the U.S. methodology and limitations before using future estimates. Nothing on this hub is personal tax, legal or financial advice.

Official federal sources

View source scope and review notes →

Review status

U.S. hub reviewed 8 October 2026. Tax year: 2026. No U.S. calculation engine or state package is published yet.

Source links are starting points for implementation, not a claim that every rule in the U.S. specification has been validated.

Estimates only when tools launch — not personalized tax advice.