Tax Calculator 2025 Kentucky. A comprehensive suite of free income tax calculators for kentucky, each tailored to a specific tax year. 2025/25 kentucky state tax refund calculator.
You are able to use our kentucky state tax calculator to calculate your total tax costs in the tax year 2025/25. First, we calculate your adjusted gross income (agi) by taking your total household income and reducing it by certain items such as contributions to your 401 (k).