Missouri Quarterly Tax Calculator
Calculate your estimated quarterly tax payments for federal and Missouri state taxes. Designed for self-employed individuals, freelancers, and independent contractors.
MO State Tax: Progressive 0.0% - 4.8%
Quarterly Payment Amount
$6,440
Per quarter (4 remaining)
Annual Tax Breakdown
2026 Payment Schedule
Jan 1 - Mar 31
Due: April 15, 2026
$6,440
Apr 1 - May 31
Due: June 15, 2026
$6,440
Jun 1 - Aug 31
Due: September 15, 2026
$6,440
Sep 1 - Dec 31
Due: January 15, 2027
$6,440
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.
Missouri Quarterly Tax Highlights
Missouri has rates from 0% to 4.8%
First $1,273 is tax-free
Use Form MO-1040ES for quarterly payments
Missouri Quarterly Tax FAQ
What is Missouri's income tax rate?
Missouri has a progressive income tax with rates from 0% to 4.8%. The top rate of 4.8% applies to income over $8,911.
Official References
This calculator uses current federal and Missouri tax rates and schedules:
- IRS Estimated Tax Guidelines
Federal quarterly tax requirements and Form 1040-ES
- Missouri DOR
Official Missouri 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.