Alabama Quarterly Tax Calculator
Calculate your estimated quarterly tax payments for federal and Alabama state taxes. Designed for self-employed individuals, freelancers, and independent contractors.
AL State Tax: Progressive 2.0% - 5.0%
Quarterly Payment Amount
$6,512
Per quarter (4 remaining)
Annual Tax Breakdown
2026 Payment Schedule
Jan 1 - Mar 31
Due: April 15, 2026
$6,512
Apr 1 - May 31
Due: June 15, 2026
$6,512
Jun 1 - Aug 31
Due: September 15, 2026
$6,512
Sep 1 - Dec 31
Due: January 15, 2027
$6,512
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.
Alabama Quarterly Tax Highlights
Alabama has 3 tax brackets with rates from 2% to 5%
Self-employed individuals must pay quarterly estimated taxes
Alabama allows federal income tax deduction on state returns
File Form 40ES for quarterly estimated payments
Alabama Quarterly Tax FAQ
What is the Alabama state income tax rate for self-employed?
Alabama has a progressive income tax with 3 brackets: 2% on first $500 (single) or $1,000 (married), 4% on income up to $3,000/$6,000, and 5% on income above that. Self-employed individuals pay the same rates on their net self-employment income.
When are Alabama quarterly taxes due?
Alabama quarterly estimated tax payments follow federal due dates: April 15, June 15, September 15, and January 15 of the following year. Use Form 40ES to make payments.
Can I deduct federal taxes on my Alabama return?
Yes, Alabama is one of few states that allows a deduction for federal income taxes paid. This can significantly reduce your Alabama tax liability.
Official References
This calculator uses current federal and Alabama tax rates and schedules:
- IRS Estimated Tax Guidelines
Federal quarterly tax requirements and Form 1040-ES
- Alabama Department of Revenue
Official Alabama tax authority
- Alabama Form 40ES
Quarterly estimated tax payment form and instructions
- 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.