Coming Soon · 即将上线
US Tax Estimator
Federal tax estimator & gig ledger
报税与记账小工具
Estimate your federal income and self-employment tax in seconds, then track gig income, expenses, mileage and quarterly payments all year. No account, no ads, fully offline — your data never leaves your device.
几秒估算联邦所得税与自雇税，全年记录收入、支出、里程与季度预缴。无需注册、无广告、完全离线，数据只留在你的设备上。
Also on Apple Watch · 同时支持 Apple Watch
Built by LYU LLC for YZ CPA LLC · 由 LYU LLC 开发并提供技术支持
Features
What the app does
App 能做什么
Gig ledger自雇记账
Log income, expenses and business mileage as you go. See running year-to-date net profit and estimated federal tax, add entries by voice, and export a year-end CSV for your CPA.
随手记录收入、开销与商用里程，实时汇总年至今净利润与预估联邦税，可语音记账，年终一键导出 CSV 交会计。
Federal income tax联邦所得税
2025 and 2026 brackets with a one-tap year switch, all four filing statuses, standard or itemized deductions and the child tax credit — with marginal and effective rates and a bracket breakdown.
2025 / 2026 税级一键切换，四种报税身份、标准或分项扣除、子女税收抵免，显示边际与实际税率及逐级明细。
Self-employment tax自雇税
Turn Schedule C net profit into SE tax in one step, coordinate the Social Security wage base with your W-2 wages, handle Medicare and the 0.9% surtax, and see the deductible half.
Schedule C 净利润一步算出自雇税，与 W-2 工资协调社保上限，处理医保与 0.9% 附加医保税，并显示可抵扣的一半。
Deadlines截止日提醒
Key 2026 federal dates — quarterly estimates, individual and business returns, and extensions — with optional reminders scheduled only on your device.
2026 关键联邦日期：季度预缴、个人与公司申报及延期；可选提醒仅在你的设备上安排。
Cross-border tools跨境申报速查
Quick checks for common foreign-asset filings — FBAR (FinCEN 114), Form 8938 and Form 3520 — based on your own numbers.
常见海外资产申报速查：FBAR（FinCEN 114）、Form 8938、Form 3520，依你的数字快速判断是否适用。
Private by design隐私优先
No internet, no account and no cloud sync — nothing leaves your phone. The only permission is notifications, used solely for optional deadline reminders.
无需联网、无需注册、无云同步，数据不离开手机。唯一权限是通知，仅用于可选的截止日提醒。
Preview
A look inside
界面预览
Privacy
Your data is yours
This app does not collect, receive, or have access to any of your data. No accounts, no analytics, no ads — every calculation runs on your device.
这个 app 不收集、不接收、也无法访问你的任何数据。没有账户、没有分析、没有广告，所有计算都在你的设备上完成。
Read the privacy policy · 阅读隐私政策Coming Soon · 即将上线
Be the first to know when it’s live
US Tax Estimator is in review for the App Store and Google Play. To hear when it launches — or for any tax or bookkeeping question — book a consult with YZ CPA LLC.
App Store 与 Google Play 审核中。想在上线时收到通知，或有报税、记账问题，欢迎预约 YZ CPA LLC 咨询。