US Tax Estimator

Estimate federal & self-employment tax in seconds, then track gig income, expenses & quarterly payments all year — private, no ads.

Estimate your U.S. federal taxes in seconds, then track your gig income all year — no account, no ads, no third-party tracking.

FEDERAL INCOME + SELF-EMPLOYMENT TAX • 2025 and 2026 tax years — brackets, standard deduction, and rules built in • All four filing statuses: Single, Married Filing Jointly, Married Filing Separately, Head of Household • Standard or itemized deduction, child tax credit with phase-out • Self-employment tax from Schedule C profit, coordinated with W-2 wages, including Additional Medicare (0.9%) and the deductible half • Taxable income, tax owed, marginal and effective rates, and a bracket-by-bracket breakdown

GIG LEDGER • Log income, deductible expenses, and mileage as you go • Running federal tax and next quarterly payment update live • Optional voice logging — just say what you earned or spent • Export a year-end CSV summary for your CPA • Optional iCloud sync keeps your ledger across your devices, in your own private iCloud

DEADLINES • Key federal deadlines: quarterly estimates, individual and business returns, extensions • Optional reminders before each date

APPLE WATCH • Next-deadline complication, quick tax-rate lookup with the Digital Crown, and voice logging on your wrist

CROSS-BORDER (More tab) • Quick FBAR, Form 8938, and Form 3520 filing-threshold checks

PRIVATE BY DESIGN • No account, no ads; tax calculations run entirely on your device • The only data that can leave your phone is your own ledger, and only if you turn on iCloud sync • Voice logging is optional and processed on device

Available in English, Español, 简体中文, and 繁體中文.

Estimates use simplified rules and cover federal taxes only — not tax advice. For personal guidance, consult a professional.

Published by LYU LLC · yz-cpa.com