Federal Income Tax Calculator: Estimate Your 2025 & 2026 Taxes

Use the Savetaxs Federal Income Tax Calculator to estimate your U.S. federal income tax for tax year 2025 or 2026. Select your filing status, enter your expected annual income, and provide any adjustments requested by the calculator.

The estimate uses the selected tax year's federal income tax brackets and standard deduction rules. The calculator also provides fields for certain pre-tax retirement contributions, childcare-related entries, and self-employment income. The tax treatment of these entries depends on how the calculator is implemented; do not assume that every expense is deductible or that every additional tax is included.

Choose the correct tax year:

• 2025: Income earned during 2025, generally reported on a return filed in 2026.
• 2026: Income earned during 2026, generally reported on a return filed in 2027.

Before publishing: The calculator interface must offer 2025 and 2026, and its calculation engine must use the matching rules for each year. If the interface still offers 2024 and 2025, update the interface and calculation logic before publishing this claim.

Federal Income Tax Calculator

Enter the information requested in the calculator. The fields currently described for this tool are listed below; use only the fields and calculations actually available in the live interface.

Calculator input	How to use it
Tax year	Select the supported tax year. The page should offer 2025 and 2026 only if both years are implemented and verified.
Filing status	Select Single, Married Filing Jointly, Married Filing Separately, or Head of Household.
Expected gross income	Enter the annual income amount requested by the calculator. Follow its instructions about which income types to include.
Pre-tax 401(k) contribution	Enter an eligible pre-tax contribution if applicable. Avoid subtracting it twice if the income entered already excludes that contribution.
Traditional IRA contribution	Enter the amount requested, if applicable. The deduction depends on eligibility, income, and workplace retirement-plan coverage.
Childcare-related entry	Follow the field instructions. Ordinary childcare expenses are not automatically deductible from income; dependent-care benefits and the Child and Dependent Care Credit follow different rules.
Self-employment income	Enter the amount requested if applicable. Confirm whether the calculator includes self-employment tax before relying on the result.

This calculator should not be described as including tax credits, federal withholding, estimated tax payments, itemized deductions, or a final refund/balance-due calculation unless those inputs and calculation features are actually available.

What the Estimate Can Show

Depending on the fields and calculation logic implemented, a federal income tax estimate may show:

• Taxable income: Income remaining after applicable adjustments and deductions included in the calculation.
• Estimated regular federal income tax: Tax calculated using the applicable ordinary-income tax brackets and any supported rules.
• Marginal tax rate: The rate applied to the highest portion of ordinary taxable income.
• Effective tax rate: Tax expressed as a percentage of a defined income amount. The result should state whether the denominator is gross income, adjusted gross income, or another measure.

Do not label the result a tax refund or balance due unless the calculator also accounts for relevant withholding, estimated payments, refundable credits, and other applicable liabilities. A result based only on income and deductions is an estimate of tax liability, not a complete refund calculation.

Federal Income Tax Brackets for 2025

For tax year 2025, the federal ordinary income tax rates are 10%, 12%, 22%, 24%, 32%, 35%, and 37%. These brackets apply to taxable income, not gross salary. The amounts below show the upper limit of each bracket.

Tax rate	Single	Married filing jointly / qualifying surviving spouse	Married filing separately	Head of household
10%	$11,925	$23,850	$11,925	$17,000
12%	$48,475	$96,950	$48,475	$64,850
22%	$103,350	$206,700	$103,350	$103,350
24%	$197,300	$394,600	$197,300	$197,300
32%	$250,525	$501,050	$250,525	$250,500
35%	$626,350	$751,600	$375,800	$626,350
37%	Above $626,350	Above $751,600	Above $375,800	Above $626,350

For example, a single filer pays 10% on the first $11,925 of taxable income, 12% on the portion from $11,925 to $48,475, and 22% on the portion above $48,475 up to the next bracket threshold.

Source: IRS — Federal Income Tax Rates and Brackets.

Federal Income Tax Brackets for 2026

For tax year 2026, the same seven ordinary federal income tax rates apply, with updated income thresholds.

Tax rate	Single	Married filing jointly / qualifying surviving spouse	Married filing separately	Head of household
10%	$12,400	$24,800	$12,400	$17,700
12%	$50,400	$100,800	$50,400	$67,450
22%	$105,700	$211,400	$105,700	$105,700
24%	$201,775	$403,550	$201,775	$201,750
32%	$256,225	$512,450	$256,225	$256,200
35%	$640,600	$768,700	$384,350	$640,600
37%	Above $640,600	Above $768,700	Above $384,350	Above $640,600

The amounts in the first six rows are the upper limits of the corresponding brackets. Taxable income above the final threshold is taxed at 37% under the ordinary income tax brackets.

Source: IRS — 2026 Federal Tax Inflation Adjustments.

Standard Deduction for 2025 and 2026

The standard deduction reduces the amount of income subject to federal income tax. Eligible taxpayers generally claim the standard deduction or itemize qualifying deductions, subject to applicable rules.

Filing status	2025 standard deduction	2026 standard deduction
Single	$15,750	$16,100
Married filing jointly	$31,500	$32,200
Married filing separately	$15,750	$16,100
Head of household	$23,625	$24,150
Qualifying surviving spouse	$31,500	$32,200

These are the basic standard deduction amounts. Eligible taxpayers age 65 or older or blind may qualify for additional amounts. Other limitations can apply depending on individual circumstances.

Additional deductions enacted in 2025 are separate from the basic standard deduction and have their own eligibility requirements. Do not assume that this calculator includes them unless the tool explicitly supports and calculates them.

Source: IRS — 2026 Tax Adjustments.

How Federal Income Tax Is Calculated

A simplified federal income tax calculation generally follows these steps:

1. Determine total income under the applicable tax rules.
2. Subtract eligible adjustments to calculate adjusted gross income, where applicable.
3. Subtract eligible deductions to determine taxable income.
4. Apply the relevant tax brackets and any applicable special tax rates.
5. Account for eligible credits and other taxes, if included in the calculation.
6. Compare tax liability with withholding and estimated payments only if estimating a refund or balance due.

Taxable income = Adjusted gross income − Applicable deductions

Ordinary income tax is calculated progressively across the applicable brackets. Long-term capital gains, qualified dividends, self-employment income, and certain other income types may require additional calculations.

A complete tax return may also involve the Alternative Minimum Tax, Additional Medicare Tax, Net Investment Income Tax, and other provisions. This calculator may not include these items; check the stated limitations before relying on the result.

Federal Income Tax Example: $80,000 Annual Income

Suppose a single taxpayer has $80,000 of ordinary income in 2026 and claims the basic standard deduction of $16,100. Assume there are no other income sources, adjustments, additional deductions, or credits. This example estimates regular federal income tax only.

Step 1: Calculate taxable income

Item	Amount
Annual income	$80,000
Standard deduction	$16,100
Taxable income	$63,900

Calculation: $80,000 − $16,100 = $63,900.

Step 2: Apply the 2026 federal tax brackets

Taxable income portion	Tax rate	Tax
First $12,400	10%	$1,240
Next $38,000	12%	$4,560
Remaining $13,500	22%	$2,970
Estimated regular federal income tax		$8,770

Under these assumptions, estimated regular federal income tax is $8,770 before credits and other taxes.

Step 3: Calculate the effective tax rate

Using annual income as the denominator: $8,770 ÷ $80,000 × 100 = 10.96%.

The marginal tax rate is 22%, while the effective rate on annual income is approximately 10.96%.

Compare 2025 and 2026

Using the same $80,000 annual income and Single filing status, with only the basic standard deduction and ordinary federal income tax included:

Calculation	2025	2026
Annual income	$80,000	$80,000
Standard deduction	$15,750	$16,100
Taxable income	$64,250	$63,900
Estimated regular federal income tax	$9,049	$8,770
Marginal tax rate	22%	22%
Effective rate on annual income	11.31%	10.96%

Under these assumptions, estimated regular federal income tax is $279 lower in 2026. This comparison reflects the applicable brackets and basic standard deductions only; it does not account for credits, special deductions, or other taxes.

Marginal Tax Rate vs. Effective Tax Rate

Your marginal tax rate is the rate applied to the highest portion of your ordinary taxable income. It can help you estimate how additional ordinary income may be taxed if other circumstances remain unchanged.

Your effective tax rate measures tax as a percentage of income. The calculation should identify whether it uses gross income, adjusted gross income, or another amount as the denominator.

A taxpayer in the 22% bracket does not pay 22% on every dollar of taxable income. Lower portions are taxed at the lower applicable rates.

What Can Affect Your Federal Income Tax?

Your final tax liability may change based on deductions, credits, income types, and other tax provisions. The following explanations are general information; they should not be interpreted as features included in this calculator unless the relevant fields and calculations are available.

Standard and itemized deductions

The standard deduction is a fixed amount based on filing status and eligibility. Itemized deductions may be more beneficial for some taxpayers, depending on qualifying expenses and statutory limitations. Examples may include qualifying mortgage interest, charitable contributions, and eligible state and local taxes.

Tax credits

Tax credits generally reduce tax liability directly, subject to the rules for each credit. Examples include the Child Tax Credit, Earned Income Tax Credit, and certain education-related credits. Nonrefundable credits generally cannot reduce regular income tax below zero, while refundable credits may result in a refund even when regular income tax is lower than the credit amount. Eligibility and income limits must be checked before claiming a credit.

Retirement contributions

Eligible traditional retirement contributions may reduce taxable income depending on the account type, income, workplace retirement-plan coverage, and deduction rules. Roth contributions generally do not provide the same current-year deduction. Avoid deducting a contribution twice if the income entered already excludes a pre-tax payroll contribution.

Additional deductions enacted in 2025

Legislation enacted in July 2025 introduced temporary deductions for certain qualified tips, overtime compensation, eligible vehicle loan interest, and qualifying seniors. These provisions generally apply to tax years 2025 through 2028 and have separate eligibility requirements, limits, and phaseouts.

• Qualified tips: Eligible taxpayers may deduct up to $25,000, subject to requirements and income-based phaseouts. The deduction applies only to qualified tips and eligible occupations.
• Qualified overtime compensation: Eligible taxpayers may deduct up to $12,500, or $25,000 for qualifying joint filers. The deduction generally applies to the qualifying overtime premium, not all overtime wages.
• Qualified vehicle loan interest: Eligible taxpayers may deduct up to $10,000 of qualifying interest on certain loans for new vehicles purchased for personal use, subject to vehicle, loan, and income requirements.
• Enhanced deduction for seniors: Eligible taxpayers age 65 or older may qualify for an additional deduction of up to $6,000, or up to $12,000 for qualifying joint filers when both spouses meet the requirements. Income-based phaseouts apply.

These are deductions, not blanket exemptions from tax on all tips, overtime, vehicle loan interest, or senior income. They also do not eliminate applicable payroll taxes. If the calculator does not support these provisions, they are not included in its estimate.

Official guidance: IRS — Working Families Tax Cuts for Individuals and Workers.

Federal Income Tax vs. State and Payroll Taxes

A federal income tax calculator should not be confused with a total tax or take-home pay calculator.

• Federal income tax: Tax imposed under federal income tax rules.
• State income tax: A separate tax imposed by states that levy individual income tax.
• Social Security and Medicare taxes: Generally separate payroll taxes on wages and certain other earnings.
• Self-employment tax: May apply to qualifying self-employment income in addition to regular income tax.

Unless the calculator explicitly calculates these additional taxes, do not assume they are included in the displayed federal income tax result.

Federal Income Tax Liability vs. Withholding

Federal income tax liability is the tax determined under applicable rules. Withholding is the amount already paid toward that liability through payroll or other withholding arrangements.

For illustration only, if estimated federal income tax is $8,770 and federal income tax withholding is $10,000, the difference is $1,230. This may indicate an estimated refund only if there are no other taxes, payments, credits, or relevant adjustments.

If withholding is $7,000 instead, the difference is $1,770 potentially owed, again assuming no other relevant amounts. These examples are not calculator outputs unless the tool accepts withholding and includes the necessary calculations.

For help reviewing paycheck withholding, use the IRS Tax Withholding Estimator.

Official IRS Sources and Calculation Methodology

This guide references official IRS resources for tax-year figures and general tax guidance:

• Federal Income Tax Rates and Brackets
• 2026 Federal Tax Inflation Adjustments
• Working Families Tax Cuts for Individuals and Workers
• Child Tax Credit
• IRS Tax Withholding Estimator

The estimate depends on the tax year selected, the information entered, and the features implemented in the calculator. The page should identify the calculation's actual scope and the date the figures were last reviewed. Have the tax calculations reviewed by a qualified tax professional before relying on them for filing decisions.

Estimate Your Federal Income Tax

Use the Federal Income Tax Calculator to estimate your 2025 or 2026 regular federal income tax, understand your marginal and effective tax rates, and see how supported income adjustments affect the estimate.

Select the tax year and filing status, enter your income, and review the result and its limitations. The calculator does not necessarily include tax credits, withholding, estimated payments, state taxes, self-employment tax, or special deductions. Consult a qualified tax professional for advice tailored to your circumstances.

Disclaimer: This calculator is for informational and planning purposes only. It is not tax, legal, or financial advice and does not replace a review of your complete tax situation. Actual tax liability may differ based on eligibility, deductions, credits, additional taxes, and circumstances not included in the calculation.