TaxMath

2026 Oklahoma Income Tax Brackets & Rates

Federal and state tax brackets, capital gains rates, and corporate tax rates for Oklahoma in tax year 2026.

Federal Income Tax Brackets (2026)

FromToRate
$0$12,40010.00%
$12,400$50,40012.00%
$50,400$105,70022.00%
$105,700$201,77524.00%
$201,775$256,22532.00%
$256,225$640,60035.00%
$640,60037.00%

Oklahoma State Income Tax Brackets (2026)

FromToRate
$0$3,7500.00%
$3,750$4,9002.50%
$4,900$7,2003.50%
$7,2004.50%

Federal Capital Gains Tax Brackets (2026)

FromToRate
$0$49,4500.00%
$49,450$545,50015.00%
$545,50020.00%

Additional Information

Federal Corporate Tax Rate
21.00%
State Corporate Tax Rate
4.00%
Federal Standard Deduction (Single)
$16,100

Sources & Trust

Every figure above is traceable to a published source. Each source is rated by what published it, not by how confident we feel about it.

Federal (United States) — 2026

OfficialValues verified
3 sources— show
  1. Cited for Rate brackets, Standard deduction, Capital gains, Corporate rate · confirmed

    Section 4.14(1) table, page 18 of the PDF

  2. Cited for Rate brackets, Standard deduction · confirmed

    Press release states $16,100 directly

  3. Cited for Corporate rate · confirmed

    Official U.S. Code text: flat 21% corporate rate under §11(b)

How we rate sources — tiers are derived from what published the document, not from our confidence in it.

Oklahoma — 2026

OfficialValues verified

2026 brackets restructured by HB 2764 (2025): new 0% bracket to $3,750, top rate cut 4.75%->4.5%, six bands collapsed to four.

2 sources— show
  1. Cited for Rate brackets, Capital gains, Corporate rate · confirmed

    Oklahoma Tax Commission's official 2025 Tax Legislation Summary, page 6, publishes the identical 2026 'Tax Brackets 2026 — Single & Married Separate Filers' table

  2. Cited for Rate brackets, Corporate rate · confirmed

    Enrolled HB 2764, Section 2, new 68 O.S. §2355(D)(1) — official enacted bill text

How we rate sources — tiers are derived from what published the document, not from our confidence in it.