Income Tax Calculator
The Income Tax Calculator estimates the refund or potential owed amount on a federal tax return. It is mainly intended for residents of the U.S. and is based on the tax brackets of 2024 and 2025. The 2025 tax values can be used for 1040-ES estimation, planning ahead, or comparison.
Modify the values and click the Calculate button to use
Age 0-16
Age 17 or older
Income
(W-2 box 1)
(W-2 box 2)
(W-2 box 17)
(W-2 box 19)
1099-INT
1099-DIV
e.g. rentals and real estate, royalties
e.g. unemployment pay(1099-G), retirement pay (1099-R)
Deductions & Credits
Max $2,500/Person
Max $3,000/Person, $6,000 total, up to age 13
Benefits of This Calculator
- 2024 & 2025 Tax Years – Plan ahead or file accurately.
- All Filing Statuses – Single, Married, HOH, Separately.
- Child & Other Dependents – Auto-calculate credits.
- Itemized vs Standard – Takes the higher deduction.
- Multiple Income Types – Wages, dividends, capital gains.
- Tax Credits & Deductions – IRA, mortgage, charity, etc.
- Marginal Rate Shown – Know your next dollar’s tax.
- Refund or Owe – See exact amount instantly.
Pro Tip: Maximize IRA + charity — lower taxes legally!
About This Tool
The Income Tax Calculator gives you a **real-time estimate** of your **federal tax liability or refund** based on IRS rules.
Perfect for:
- Year-end tax planning
- Estimating quarterly payments (1040-ES)
- Comparing 2024 vs 2025 impact
- Testing deduction strategies
How it works:
- 1. Enter – Income, withholding, deductions
- 2. Select – Status, year, dependents
- 3. Calculate – See full breakdown instantly
Updated annually — uses **official 2024 & 2025 IRS brackets**.
Built with:
- JavaScript – Accurate bracket math
- Tailwind CSS – Clean, responsive form
- No backend – All calculations in-browser
- Privacy-safe – Your data never leaves your device
Remember: Tax planning = more money in your pocket — start early!