Mississippi Quarterly Tax Calculator
Calculate your estimated quarterly tax payments for federal and Mississippi state taxes. Designed for self-employed individuals, freelancers, and independent contractors.
MS State Tax: Flat 4.4%
Quarterly Payment Amount
$6,411
Per quarter (4 remaining)
Annual Tax Breakdown
2026 Payment Schedule
Jan 1 - Mar 31
Due: April 15, 2026
$6,411
Apr 1 - May 31
Due: June 15, 2026
$6,411
Jun 1 - Aug 31
Due: September 15, 2026
$6,411
Sep 1 - Dec 31
Due: January 15, 2027
$6,411
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.
Mississippi Quarterly Tax Highlights
Mississippi has a flat 4.4% income tax rate
First $10,000 of income is exempt
Rate being phased down over several years
Mississippi Quarterly Tax FAQ
What is Mississippi's income tax rate?
Mississippi has a flat 4.4% income tax rate on income over $10,000. The rate is being phased down from previous levels and may continue decreasing.
Official References
This calculator uses current federal and Mississippi tax rates and schedules:
- IRS Estimated Tax Guidelines
Federal quarterly tax requirements and Form 1040-ES
- Mississippi DOR
Official Mississippi 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.