A Quick Tax Reference Guide for 2025-2026 U.S. Tax Filing

The 2025-26 tax season is upon us. With considerable tax changes, fading policies, new deductions, and updated limits, staying on top of your taxes can feel overwhelming.

Our 2025/2026 Quick Tax Reference Guide has been designed with an aim to provide business owners and CPAs all the essential numbers and deadlines in one place. From standard mileage rates and retirement contribution limits to income tax brackets, Medicare premiums, and estate planning thresholds, you’ll find everything you need to make informed decisions, reduce risk, and plan strategically.

Whether you’re a business owner planning corporate filings, a high-net-worth individual preparing for personal taxes, or an accounting professional looking for a quick reference, this simple and easy-to-use resource is designed to give you a clear picture of what’s ahead.

Think of it as your roadmap for 2025/2026 taxes — it will save your time, help you avoid mistakes, and seize opportunities for maximum tax saving.

[Note: This guide is based on official U.S. federal tax data for 2025/2026 from IRS, SSA, and CMS sources. We just intend to present it in a practical, easy-to-use format for businesses and individuals.]

Filing Deadlines for 2025 Tax Returns

Staying on top of filing deadlines is crucial to avoid penalties. This table summarizes the due dates for various returns, including extensions where applicable, so you can plan your filings efficiently.

Type of Return (Calendar Year)Due DateExtended Due Date
Employees – Form W-2*February 2March 2
Recipient – Form 1099-NEC**February 2N/A
 Recipient – Form 1099-MISC***February 17March 17
Partnerships, LLCs – Form 1065****March 16September 15
S Corporations – Form 1120S****March 16September 15
Estates and Trusts – Form 1041*****April 15October 1
FBAR – FinCen Form 114April 15October 15
Corporations – Form 1120April 15October 15
Individuals – Form 1040April 15October 15
Exempt Organizations – Form 990May 15Nov 16
Employee Benefit Plans – Form 5500Jul 31Oct 15

* W-2 due to employee and SSA
** Non-employee compensation
*** Other payments
**** Also applies to Schedules K-1, K-2, K-3 for equity holders
***** File Form 7004 for automatic 5½-month extension

Individual Tax Rate Schedules

Understanding your tax brackets is essential for accurate planning. The following tables break down the 2025–2026 rates for different filing statuses to help you calculate your potential tax liability.

2025

Taxable IncomeTax Rate / Tax Calculation
Not over $23,85010% of taxable income
$23,850 – $96,950$2,385 + 12% of the amount over $23,850
$96,950 – $206,700$11,157 + 22% of the amount over $96,950
$206,700 – $394,600$35,302 + 24% of the amount over $206,700
$394,600 – $501,050$80,398 + 32% of the amount over $394,600
$501,050 – $751,600$114,462 + 35% of the amount over $501,050
Over $751,600$202,154.50 + 37% of the amount over $751,600

2026

Taxable IncomeTax Rate / Tax Calculation
Not over $24,80010% of taxable income
$24,800 – $100,800$2,480 + 12% of the amount over $24,800
$100,800 – $211,400$11,600 + 22% of the amount over $100,800
$211,400 – $403,500$35,932 + 24% of the amount over $211,400
$403,500 – $512,450$82,048 + 32% of the amount over $403,500
$512,450 – $768,700$116,896 + 35% of the amount over $512,450
Over $768,700$206,583.50 + 37% of the amount over $768,700

Head of Household

For 2025:

Taxable IncomeTax
Not over $17,00010%
$17,001–$64,850$1,700 + 12% over $17,000
$64,851–$103,350$7,442 + 22% over $64,850
$103,351–$197,300$15,912 + 24% over $103,350
$197,301–$250,500$38,460 + 32% over $197,300
$250,501–$626,350$55,484 + 35% over $250,500
Over $626,350$187,031.50 + 37% over $626,350

2026:

Taxable IncomeTax
Not over $17,70010%
$17,701–$67,450$1,770 + 12% over $17,700
$67,451–$105,700$7,740 + 22% over $67,450
$105,701–$201,750$16,155 + 24% over $105,700
$201,751–$256,200$39,207 + 32% over $201,750
$256,201–$640,600$56,631 + 35% over $256,200
Over $640,600$191,171.50 + 37% over $640,600

Unmarried Individuals (Single)

2025:

Taxable IncomeTax
Not over $11,92510%
$11,926–$48,475$1,192.50 + 12% over $11,925
$48,476–$103,350$5,578.50 + 22% over $48,475
$103,351–$197,300$17,651 + 24% over $103,350
$197,301–$250,525$40,199 + 32% over $197,300
$250,526–$626,350$57,231 + 35% over $250,525
Over $626,350$181,769.75 + 37% over $626,350

For 2026:

Taxable IncomeTax
Not over $12,40010%
$12,401–$50,400$1,240 + 12% over $12,400
$50,401–$105,700$5,800 + 22% over $50,400
$105,701–$201,775$17,966 + 24% over $105,700
$201,776–$256,225$41,024 + 32% over $201,775
$256,226–$640,600$58,448 + 35% over $256,225
Over $640,600$192,979.25 + 37% over $640,600

Married Filing Separately

For 2025:

Taxable IncomeTax
Not over $11,92510%
$11,926–$48,475$1,192.50 + 12% over $11,925
$48,476–$103,350$5,578.50 + 22% over $48,475
$103,351–$197,300$17,651 + 24% over $103,350
$197,301–$250,525$40,199 + 32% over $197,300
$250,526–$375,800$57,231 + 35% over $250,525
Over $375,800$101,077.25 + 37% over $375,800

For 2026:

Taxable IncomeTax
Not over $12,40010%
$12,401–$50,400$1,240 + 12% over $12,400
$50,401–$105,700$5,800 + 22% over $50,400
$105,701–$201,775$17,966 + 24% over $105,700
$201,776–$256,225$41,024 + 32% over $201,775
$256,226–$384,350$58,228 + 35% over $256,225
Over $384,350$103,291.75 + 37% over $384,350

Social Security & Self-Employment Tax Limits

Social Security and Medicare taxes have annual limits. They can impact your contributions and planning. This table highlights the 2025–2026 thresholds for both employees and self-employed individuals.

Tax20252026
OASDI wage base$176,100$184,500
HI wage baseNo limitNo limit
SECA OASDI earning base$176,100$184,500
SECA HINo limitNo limit

Additional 0.9% Medicare Tax applies over certain thresholds.

Retirement Contribution Limits

Maximize your contributions to reduce taxable income and boost long-term savings. The following table shows 401(k), 403(b), SIMPLE, and IRA limits, including catch-up provisions for those 50 and older.

401(k), 403(b), 457, and SIMPLE Plans

For 2025:

Plan TypeElective Deferral LimitCatch-up Contribution (Age 50+)
§401(k)$23,500$7,500
§403(b)$23,500$7,500
§457$23,500$7,500
SIMPLE$16,500$3,500

For 2026:

Plan TypeElective Deferral LimitCatch-up Contribution (Age 50+)
§401(k)$24,500$8,000
§403(b)$24,500$8,000
§457$24,500$8,000
SIMPLE$17,000$4,000

Traditional and Roth IRA

This table outlines 2025–2026 figures for both traditional and Roth accounts, including catch-up contributions for those 50 and older.

For 2025:

Account TypeContribution LimitCatch-up Contribution (Age 50+)Phase-out Range (Modified AGI)
Traditional IRA – Married Filing Jointly, participant in employer plan$7,000$1,000$126,000 – $146,000
Traditional IRA – Married Filing Jointly, spouse in employer plan$7,000$1,000$236,000 – $246,000
Traditional IRA – Single / Head of Household$7,000$1,000$79,000 – $89,000
Roth IRA – Married Filing Jointly$7,000$1,000$236,000 – $246,000
Roth IRA – Married Filing Separately$7,000$1,000$0 – $10,000
Roth IRA – Single / Head of Household$7,000$1,000$150,000 – $165,000

For 2026:

Account TypeContribution LimitCatch-up Contribution (Age 50+)Phase-out Range (Modified AGI)
Traditional IRA – Married Filing Jointly, participant in employer plan$7,500$1,100$129,000 – $149,000
Traditional IRA – Married Filing Jointly, spouse in employer plan$7,500$1,100$242,000 – $252,000
Traditional IRA – Single / Head of Household$7,500$1,100$81,000 – $91,000
Roth IRA – Married Filing Jointly$7,500$1,100$242,000 – $252,000
Roth IRA – Married Filing Separately$7,500$1,100$0 – $10,000
Roth IRA – Single / Head of Household$7,500$1,100$153,000 – $168,000

Alternative Minimum Tax (AMT) & Standard Deductions

AMT and standard deductions can affect your overall tax liability. Use this reference to see the 2025–2026 thresholds and plan your filings with confidence.

AMT Exemption Amounts (2025-2026)

Filing Status2025 AMT Exemption2026 AMT Exemption
Married Filing Jointly$137,000$140,200
Single / Head of Household$88,100$90,100
Married Filing Separately$68,500$70,100
Estates & Trusts$30,700$31,400

Standard Deduction Amounts (2025-2026)

Filing Status2025 Standard Deduction2026 Standard Deduction
Married Filing Jointly$25,100$25,900
Head of Household$18,800$19,200
Single$12,950$13,150
Married Filing Separately$12,550$12,700

New Tax Deductions Under the One Big Beautiful Bill Act (2025–2028)

Recent legislation introduces new deductions for tips, overtime, seniors, and child tax credits. This table outlines eligibility, limits, and income phase-outs to help identify potential savings.

Deduction TypeWho Can Claim ItMaximum DeductionIncome Phase-Out (MAGI)Key Notes
Qualified Tips DeductionEmployees and self-employed individuals in occupations that customarily receive tipsUp to $25,000 per yearBegins at $150,000 (Single) / $300,000 (MFJ)Applies to tips reported on W-2, 1099, or Form 4137; deduction limited to business income for self-employed
Qualified Overtime Pay DeductionEmployees earning eligible overtime compensation$12,500 (Single)
$25,000 (MFJ)
Begins at $150,000 (Single) / $300,000 (MFJ)Covers the “premium” portion of overtime pay above regular wages
Senior Deduction (Age 65+)Taxpayers age 65 or older at year-end$6,000 per eligible individual
(Up to $12,000 for married couples)
Begins at $75,000 (Single) / $150,000 (MFJ)Available in addition to the standard deduction; no itemizing required
Child Tax CreditTaxpayers with qualifying children under age 17Up to $2,200 per qualifying childBegins at $200,000 (Single/HoH) / $400,000 (MFJ)Partially refundable (up to $1,700 per child in 2025); eligibility requires valid SSNs for taxpayer and child  

Other Key Tax Changes to Know (2025–2028)

Tax rules evolve continuously, and certain provisions may create new opportunities or affect your tax planning strategies. Use this table to understand key changes, limits, and the years they apply.

ProvisionWho BenefitsAmount / LimitYears ApplicableKey Notes
SALT Deduction Cap IncreaseItemizing taxpayers in high-tax statesUp to $40,000 (previously $10,000)2025–2028Applies to combined state and local income and property taxes
Auto Loan Interest DeductionTaxpayers with qualified personal-use auto loansUp to $10,0002025–2028Applies only to qualifying vehicles; income limits and financing rules apply

These provisions do not apply universally and may require itemization or specific eligibility criteria.

Important Planning Notes

  • New deductions under the One Big Beautiful Bill Act apply for tax years 2025 through 2028.
  • Tips, overtime, and senior deductions may be claimed even without itemizing.
  • SALT and auto loan interest benefits generally apply only to itemizing taxpayers.
  • Phase-outs apply gradually once MAGI exceeds threshold amounts.
  • Accurate income and employer reporting is essential to avoid disallowance.

Why This Guide Matters

This 2025–2026 Quick Tax Reference Guide is designed to help you stay organized, confident, and prepared — whether you’re filing individual returns, managing business obligations, or advising clients through another demanding tax season.

By understanding the numbers and the deductions available, you can avoid mistakes and make tax-saving decisions ahead of deadlines.

Use this guide as a practical planning tool throughout the year, not just during filing season. When used proactively, it can help turn tax compliance into an opportunity for better financial control and informed decision-making.

For personalized tax planning and compliance support, reach out to KnowVisory Global’s tax experts today. With 15+ years of experience and proven expertise, we can help you navigate the complex tax season with clarity and confidence. Contact us to plan smarter and save more on your taxes.

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