Kentucky Quarterly Tax Calculator
Calculate your estimated quarterly tax payments for federal and Kentucky state taxes. Designed for self-employed individuals, freelancers, and independent contractors.
KY State Tax: Flat 4.0%
Quarterly Payment Amount
$6,337
Per quarter (4 remaining)
Annual Tax Breakdown
2026 Payment Schedule
Jan 1 - Mar 31
Due: April 15, 2026
$6,337
Apr 1 - May 31
Due: June 15, 2026
$6,337
Jun 1 - Aug 31
Due: September 15, 2026
$6,337
Sep 1 - Dec 31
Due: January 15, 2027
$6,337
Don't miss your quarterly payments!
The IRS may charge penalties and interest if you underpay or pay late. Consider setting up automatic payments or calendar reminders.
Kentucky Quarterly Tax Highlights
Kentucky has a flat 4% income tax rate
Recently reduced from 4.5%
Use Form 740-ES for quarterly payments
Simple flat rate calculation
Kentucky Quarterly Tax FAQ
What is Kentucky's income tax rate?
Kentucky has a flat 4% income tax rate. The rate was recently reduced from 4.5% as part of ongoing tax reform efforts.
Official References
This calculator uses current federal and Kentucky tax rates and schedules:
- IRS Estimated Tax Guidelines
Federal quarterly tax requirements and Form 1040-ES
- Kentucky Department of Revenue
Official Kentucky tax authority
- IRS Self-Employment Tax
Social Security and Medicare tax information
This calculator provides estimates based on 2026 tax rates. Your actual tax liability may vary based on deductions, credits, and other factors. Consult a tax professional for personalized advice.