Finance calculators

Tax Refund Calculator

Updated Sep 11, 2026 By Infinity Calculator

Basic Information

Brackets, deductions & credit limits update automatically.
Married couples combining income on one return.
Age 65+ gets a higher standard deduction.
Dependents
Child Tax Credit (up to $2,000 each).
Education-credit eligible.
$500 Other Dependent Credit each.

Income & Withholding

$
$
$
$
Other Income
$
$
$
Estimated Tax Payments Made
$
$

Deductions & Adjustments

Do you want to enter itemized deductions?
Above-the-Line Adjustments
$
$
$
Max $2,500; phases out at higher income.
$
Capped at $300 ($600 if both spouses teach).

Tax Credits

Child Tax Credit, Additional CTC, Other Dependent Credit & EITC are computed automatically from your dependents and income.
$
Daycare/after-school so you could work.
$
We pick AOC vs Lifetime Learning automatically.
$
Solar, EV chargers, heat pumps, insulation (30%).
$
Estimated Refund
$0.00
Tax Year 2026
Filing Status
Total Income
Adjustments
Adjusted Gross Income
Deduction
Taxable Income
Estimated Tax
Credits Applied
Withholdings & Payments

Estimated Federal Tax Result

Based on Tax Year 2026 rates and limits
Estimated Federal Refund
$0.00

Line-by-Line Breakdown

1. Total Gross Income$0.00
2. − Adjustments (above-the-line)$0.00
3. = Adjusted Gross Income (AGI)$0.00
4. − Deduction (Standard)$0.00
5. = Taxable Income$0.00
6. Federal Income Tax (before credits)$0.00
7. − Child / Dependent Credits (CTC + ACTC + ODC)$0.00
8. − Education Credits$0.00
9. − Child & Dependent Care Credit$0.00
10. − Energy Credits$0.00
11. − Earned Income Credit (EITC)$0.00
12. − Other Credits$0.00
13. = Tax After Credits$0.00
14. − Total Withholdings & Payments$0.00
15. = Estimated Refund$0.00

Federal Tax by Bracket

Income vs. Federal Tax

Step-by-Step Solution


Introduction

This free tax refund calculator helps you estimate how much money you could get back, or owe, on your federal tax return. Just enter your income, filing status, dependents, and deductions. The calculator uses the official IRS tax brackets and credit rules for the 2024, 2025 and 2026 tax years.

It figures out your adjusted gross income, picks the better deduction (standard or itemized), and applies credits like the Child Tax Credit and Earned Income Tax Credit automatically. You get a full line-by-line breakdown, bracket-by-bracket details, and step-by-step math so you can see exactly how your result is calculated.

This tool is built for W-2 employees, families with children, retirees, and anyone who wants a quick look at their federal tax picture before they file. It is not a substitute for professional tax advice, but it gives you a solid starting point to plan ahead and avoid surprises at tax time.

How to Use Our Tax Refund Calculator

Enter your income, deductions, credits, and tax payments below. The calculator will estimate your federal tax refund or balance due based on current IRS tax brackets and rules.

Basic Information

Tax Year: Pick the tax year you want to estimate. The calculator updates all brackets, deductions, and credit limits to match the year you choose.

Filing Status: Select how you plan to file your federal return. Choose Single, Married Filing Jointly, Married Filing Separately, Qualifying Surviving Spouse, or Head of Household. Your filing status affects your tax brackets and standard deduction amount.

Your Age: Enter your age. If you are 65 or older, you get a higher standard deduction.

Spouse's Age: Enter your spouse's age if you file jointly. A spouse who is 65 or older also adds to the standard deduction.

Someone Can Claim Me as a Dependent: Check this box if another person claims you on their tax return. This lowers your standard deduction.

Children Age 16 or Under: Enter the number of your children who are 16 or younger. Each child may qualify for up to $2,200 in Child Tax Credit for the 2025 tax year.3 The credit is also $2,200 for 2026,1 and it was $2,000 for 2024.

Dependents 17 to 23 (Full-Time Students): Enter the number of dependents between 17 and 23 who are full-time students. They may qualify for education credits and the Earned Income Credit.

Other Dependents: Enter any other dependents you support. Each one may qualify for a $500 Other Dependent Credit.3

Income and Withholding

Your Wages (W-2 Box 1): Enter your total wages from Box 1 of your W-2 form.

Your Federal Tax Withheld (Box 2): Enter the federal income tax your employer took out of your pay. Find this in Box 2 of your W-2.

Spouse's Wages (W-2 Box 1): If filing jointly, enter your spouse's wages from their W-2 Box 1.

Spouse's Federal Tax Withheld (Box 2): If filing jointly, enter the federal tax withheld from your spouse's W-2 Box 2.

Self-Employment / 1099 Net: Enter your net self-employment income after business expenses. This includes freelance and gig work reported on 1099 forms.

Unemployment Compensation: Enter any unemployment benefits you received during the tax year.

Taxable Interest: Enter interest earned from bank accounts, CDs, or bonds.

Ordinary Dividends: Enter total dividends you received from stocks or mutual funds.

Qualified Dividends: Enter the portion of your dividends that count as qualified. This is a subset of your ordinary dividends.

Social Security Benefits: Enter the total Social Security benefits you received. The calculator figures out how much of it is taxable.

IRA / Pension / Annuity: Enter taxable distributions from traditional IRAs, pensions, or annuities.

State/Local Tax Refund: Enter any state or local tax refund you got last year, if it was taxable.

Other Taxable Income: Enter any other income not listed above, such as rental income, alimony, or gambling winnings.

Your Estimated Payments: Enter the total of all quarterly estimated tax payments you sent to the IRS this year.

Spouse's Estimated Payments: If filing jointly, enter the total estimated tax payments your spouse made.

Deductions and Adjustments

Standard vs. Itemized Deduction: Choose whether you want to compare itemized deductions against the standard deduction. The calculator will use whichever saves you more money.

Mortgage Interest: Enter the mortgage interest you paid on your home loan during the year.

State and Local Taxes (SALT): Enter the state and local income or property taxes you paid. The cap is $40,000 for 2025 and $40,400 for 2026, half of that for Married Filing Separately, and it shrinks by 30 percent of income above $500,000 (2025) or $505,000 (2026) but never below $10,000.5 Before 2025 the cap was $10,000 ($5,000 for Married Filing Separately).5

Charitable Donations (Cash): Enter cash donations you made to qualified charities.

Charitable Donations (Non-Cash): Enter the fair market value of items like clothes or furniture you donated to charity.

Medical Expenses: Enter your total medical expenses. Only the amount that exceeds 7.5% of your adjusted gross income counts as a deduction.7

Other Itemized: Enter any other itemized deductions not listed above.

Traditional IRA Contributions: Enter the amount you put into a traditional IRA this year. This reduces your taxable income.

Spouse IRA Contributions: If filing jointly, enter your spouse's traditional IRA contributions.

Student Loan Interest: Enter interest paid on qualified student loans, up to $2,500.8 This deduction phases out at higher income levels.

Educator Expenses: If you are a teacher, enter out-of-pocket classroom expenses up to $300 ($600 if both spouses are teachers).9

Tax Credits

Child and Dependent Care Expenses Paid: Enter what you paid for daycare, after-school care, or other dependent care so you could work.

Qualified Education Expenses: Enter tuition and fees paid for college or other higher education. The calculator picks the better credit for you: American Opportunity or Lifetime Learning.

Home Energy Improvements: Enter costs for qualifying home energy upgrades like solar panels, heat pumps, or insulation. The credit is 30% of what you spent.10

Other Federal Tax Credits: Enter any other federal tax credits not already covered above.

How This Federal Tax Refund Calculator Works

This free tax refund calculator estimates how much money you could get back, or owe, on your federal tax return. It uses the official IRS tax brackets, standard deduction amounts, and credit rules for the 2024, 2025 and 2026 tax years. Just enter your income, filing status, dependents, and any deductions or credits you qualify for. The calculator works out your estimated refund or the amount you still owe.

What Is a Tax Refund?

A tax refund is money the government sends back to you. It happens when you paid more in taxes during the year than you actually owe. Most people pay taxes through withholding: money your employer takes out of each paycheck and sends to the IRS. If too much was taken out, the IRS gives the extra back as a refund. If too little was taken out, you owe a balance due.

What Affects Your Refund Amount

Several things change how big your refund is or whether you owe money:

  • Filing status: Single, Married Filing Jointly, Head of Household, and other statuses each have different tax brackets and deduction amounts.
  • Income: Wages, self-employment pay, interest, dividends, Social Security benefits, and other earnings all count toward your total taxable income.
  • Deductions: The standard deduction lowers your taxable income automatically. If your itemized deductions (like mortgage interest, state taxes, and charity) add up to more, you can use those instead.
  • Tax credits: Credits directly reduce the tax you owe, dollar for dollar. The Child Tax Credit, Earned Income Tax Credit (EITC), education credits, and energy credits can all shrink your tax bill or increase your refund.
  • Withholding and estimated payments: The total amount you already paid to the IRS during the year is compared to your final tax. The difference is your refund or balance due.

Who Should Use This Calculator

This tool is helpful for W-2 employees, families with children, retirees, and anyone who wants a quick estimate before filing. It covers the most common income types, deductions, and credits used on a federal 1040 tax return. Keep in mind this is an estimate. It does not replace professional tax advice or official IRS forms.


Formulas used

Federal Income Tax (Progressive Brackets)
T = \sum_{i=1}^{n} \left( \min(\text{Taxable Income},\; B_{i+1}) - B_i \right) \times r_i
Adjusted Gross Income
\text{AGI} = \text{Total Income} - \text{Adjustments}
Taxable Income
\text{Taxable Income} = \max\!\left(0,\; \text{AGI} - \max\!(D_{\text{std}},\; D_{\text{item}})\right)
Child & Dependent Credit Phase-Out
\text{Credit} = \max\!\left(0,\; n_c \times C_c + n_o \times 500 \;-\; \left\lceil \frac{\max(0,\;\text{AGI} - T_s)}{1000} \right\rceil \times 50 \right)
Earned Income Tax Credit
\text{EITC} = \max\!\left(0,\; \min(E \times r_e,\; C_{\max}) - \max\!\left(0,\; \max(E,\,\text{AGI}) - P_s\right) \times r_p \right)
Refund or Balance Due
\text{Result} = \text{Withholdings} - \max(0,\; T - C_{\text{nr}}) + C_{\text{ref}}

Frequently asked questions

What is the difference between a tax refund and a tax return?

A tax return is the form you file with the IRS each year. A tax refund is the money the IRS sends back to you if you overpaid your taxes during the year. They are two different things.

Why does my refund change when I switch filing status?

Each filing status has its own tax brackets and standard deduction amount. For example, Married Filing Jointly has wider brackets and a larger deduction than Single. A different status can move your income into lower brackets and change the credits you qualify for, which changes your refund.

What is the standard deduction for 2025?

For 2025, the standard deduction is $15,750 for Single and Married Filing Separately, $31,500 for Married Filing Jointly and Qualifying Surviving Spouse, and $23,625 for Head of Household.1 For 2026 it rises to $16,100, $32,200 and $24,150.2 If you are 65 or older, you get an extra amount added on top.

Should I itemize or take the standard deduction?

Take whichever one is larger. If your itemized deductions (like mortgage interest, state taxes, and charitable gifts) add up to more than your standard deduction, itemize. If not, take the standard deduction. This calculator compares both for you and picks the one that saves you more money.

What is the Child Tax Credit for 2025?

For 2025, the Child Tax Credit is up to $2,200 per qualifying child under 17.3 It starts to phase out when your adjusted gross income goes above $400,000 for joint filers or $200,000 for all other statuses.3 If the credit is more than your tax, the refundable portion (Additional Child Tax Credit) is up to $1,700 per child.3

What is the Earned Income Tax Credit (EITC)?

The EITC is a refundable credit for workers with low to moderate income. The amount depends on your earnings, filing status, and number of qualifying children. For 2025, the maximum is $649 with no children and up to $8,046 with three or more children.4 For 2026 it is $664 and $8,231.1 This calculator figures out your EITC automatically.

What does refundable credit mean?

A refundable credit can give you money back even if you owe zero tax. For example, if your tax is $500 and your refundable credit is $1,000, you get $500 back as a refund. A non-refundable credit can only reduce your tax to zero. It cannot go below that.

What if I am claimed as a dependent on someone else's return?

Check the box that says someone can claim you as a dependent. This lowers your standard deduction. Instead of the full amount, your deduction is limited to the greater of a set minimum ($1,350 for 2025) or your earned income plus $450, up to the normal standard deduction.6

What are above-the-line deductions?

These are adjustments you subtract from your income before you get to your adjusted gross income (AGI). They include things like traditional IRA contributions, student loan interest, and educator expenses. You get these even if you take the standard deduction instead of itemizing.

What is the SALT cap?

SALT stands for State and Local Taxes. The cap is $40,000 for 2025 and $40,400 for 2026, half of that for Married Filing Separately, and it shrinks by 30 percent of income above $500,000 (2025) or $505,000 (2026) but never below $10,000.5 Before 2025 the cap was $10,000 ($5,000 for Married Filing Separately).5 Any amount above the cap cannot be deducted.

Why do I owe money instead of getting a refund?

You owe money when your total tax is more than what was withheld from your paychecks and any estimated payments you made. This can happen if your withholding was set too low, you had extra income without withholding (like freelance or investment income), or you did not make enough estimated payments during the year.

What is adjusted gross income (AGI)?

AGI is your total income minus above-the-line adjustments like IRA contributions and student loan interest. It is an important number because many credits and deductions phase out based on your AGI. The calculator shows your AGI in the summary panel and the line-by-line breakdown.

What is a marginal tax bracket?

Your marginal tax bracket is the rate applied to your last dollar of taxable income. The U.S. uses a progressive system, which means different chunks of your income are taxed at different rates. For example, the first chunk might be taxed at 10%, the next at 12%, and so on. You only pay the higher rate on the income that falls in that bracket, not on all of your income.

How do I get a bigger refund?

You can increase your refund by claiming all the deductions and credits you qualify for, contributing to a traditional IRA to lower your taxable income, or increasing your withholding so more tax is taken out of each paycheck. Keep in mind that a bigger refund just means more of your own money was held by the IRS during the year.


Sources

  1. Revenue Procedure 2025-32. Internal Revenue Service. 2025;sections 3.01, 3.05, 3.06 and 3.14. Accessed September 11, 2026.
  2. IRS releases tax inflation adjustments for tax year 2026, including amendments from the One, Big, Beautiful Bill. Internal Revenue Service. 2025;IR-2025-103. Accessed September 11, 2026.
  3. Child Tax Credit. Internal Revenue Service. Accessed September 11, 2026.
  4. Earned income and Earned Income Tax Credit (EITC) tables. Internal Revenue Service. Tax year 2025. Accessed September 11, 2026.
  5. 26 U.S. Code § 164 — Taxes. Legal Information Institute, Cornell Law School. § 164(b)(6)–(7). Accessed September 11, 2026.
  6. Topic no. 551, Standard deduction. Internal Revenue Service. Accessed September 11, 2026.
  7. Topic no. 502, Medical and dental expenses. Internal Revenue Service. Accessed September 11, 2026.
  8. Topic no. 456, Student loan interest deduction. Internal Revenue Service. Accessed September 11, 2026.
  9. Topic no. 458, Educator expense deduction. Internal Revenue Service. Accessed September 11, 2026.
  10. Residential Clean Energy Credit. Internal Revenue Service. Accessed September 11, 2026.