Alabama Quarterly Estimated Tax Calculator 2026
Alabama has graduated income tax rates from 2.0% to 5.0%, included in your quarterly payments. Use this calculator to estimate your quarterly tax payments including self-employment tax and federal income tax plus Alabama state income tax.
Your 2026 Quarterly Payments — Alabama
Total Annual Tax
$0
Per Quarter
$0
Take Home
$0
Effective Rate
0%
Tax Breakdown
Quarterly Estimated Taxes in Alabama
As a self-employed worker in Alabama, your quarterly estimated tax payments need to cover three components: federal self-employment tax (15.3% on 92.35% of net earnings), federal income tax, and Alabama state income tax. Alabama has graduated income tax rates from 2.0% to 5.0%, included in your quarterly payments.
State note: Alabama allows deduction of federal income tax paid from state taxable income.
Alabama Income Tax Brackets (2026)
| Income Range | Tax Rate |
|---|---|
| $0 – $500 | 2.00% |
| $500 – $3,000 | 4.00% |
| Over $3,000 | 5.00% |
Does Alabama Require Separate State Quarterly Payments?
Most states with income tax, including Alabama, require their own separate quarterly estimated tax payments if you expect to owe state income tax. Check your state's tax authority website for state-specific forms and due dates, which may differ from federal deadlines.
2026 Federal Quarterly Due Dates
Regardless of which state you're in, the federal quarterly estimated tax due dates for 2026 are: Q1 — April 15, Q2 — June 15, Q3 — September 15, and Q4 — January 15, 2027. Payments are made using Form 1040-ES and can be submitted via IRS Direct Pay, EFTPS, or by mail.
Other States
No Income Tax States
Alabama Tax Quick Facts
- Income Tax
- Yes
- Tax Type
- graduated
- Top Rate
- 5.00%
- SE Tax Rate
- 15.3%
- SS Wage Base
- $176,100