Kentucky Income Tax Calculator

Estimate your 2026 Kentucky state income tax in seconds. Enter your annual income and filing status — this free Kentucky income tax calculator applies the verified 2026 Kentucky brackets, standard deduction, exemptions and credits. Runs entirely in your browser.

In 2026, Kentucky taxes income at a flat 3.5% rate. Kentucky offers a $3,360 standard deduction for single filers ($3,360 joint). Kentucky's rate fell to 3.5% on January 1, 2026. The $3,360 standard deduction is not doubled for joint filers. Excludes local occupational taxes.

Good to know: Kentucky's rate fell to 3.5% on January 1, 2026. The $3,360 standard deduction is not doubled for joint filers. Excludes local occupational taxes.

Kentucky 2026 Income Tax Brackets

Taxable income (Single)Rate
All taxable income3.5%

Marginal rates: only income inside each band is taxed at that band's rate.

Frequently Asked Questions

What is the Kentucky income tax rate for 2026?

Kentucky taxes income at a flat 3.5% rate.

What deductions and exemptions does Kentucky offer?

Kentucky offers a $3,360 standard deduction for single filers ($3,360 joint).

How accurate is this Kentucky income tax estimate?

It is an annualized estimate: your income minus the 2026 standard deduction (and any state exemptions/credits shown), run through 2026 marginal brackets. It does not include pre-tax deductions like 401(k) contributions, itemized deductions, phaseouts, or local income taxes. Your actual liability can differ.

Sources

Tax figures verified September 2026 for tax year 2026.

Estimate only — not tax advice. This calculator annualizes your income, subtracts the 2026 standard deduction (and state personal exemptions/credits where shown), and applies 2026 marginal brackets. It does not model pre-tax deductions (401(k), health insurance), itemized deductions, credits you may qualify for, phaseouts, or local/city/county income taxes. Consult a tax professional for your situation.