Kentucky Estimated Tax Facts
State Income Tax
Yes
Estimated Tax Form
Form 740-ES
File When You Owe
$500+ in state tax
Self-Employment Tax Rate
15.3% (federal)
Kentucky Quarterly Tax Calculator for Gig Drivers
Kentucky has its own state income tax on top of federal self-employment tax. Get your exact quarterly estimated tax payment, effective rate, and recommended set-aside — free, in seconds.
Calculate Your Kentucky Quarterly Payment
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$0
Annual Tax
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Effective Rate
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Kentucky Specific Tax Notes
- Kentucky has a flat 4.0% income tax rate (reduced from 4.5% in 2023)
- Estimated tax required if you expect to owe $500+ in state tax
- Kentucky standard deduction is $3,160 for single filers
- Kentucky follows federal quarterly payment deadlines
- Last reviewed: April 2026 — verify current rates at revenue.ky.gov
Your Kentucky Kit: Forms, Reminders, Checklists
Q2 estimated payment due June 15. Get your Kentucky-specific forms, quarterly deadline reminders, mileage tracker, and a step-by-step action checklist.
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