Tax Calculator 2025 Kentucky

Tax Calculator 2025 Kentucky. A comprehensive suite of free income tax calculators for kentucky, each tailored to a specific tax year. You are able to use our kentucky state tax calculator to calculate your total tax costs in the tax year 2025/25.

In 2025, kentucky will impose a flat state income tax rate of 4%. Kentucky’s progressive income tax system features rates from 5% to 6.5%, with recent reforms aimed at simplifying the tax structure and reducing rates over time.