Alaska Tax Calculator
The Alaska (AK) Tax Calculator is updated for the 2026/27 tax year. Since Alaska has no state income tax, this calculator focuses on federal income tax, Social Security, and Medicare contributions. Residents can quickly estimate take-home pay, tax liability, and withholdings for the year.
Although Alaska has no individual income tax, certain local jurisdictions apply sales taxes and residents may have obligations for business or property-related taxes. This tool helps you forecast your net earnings and compare pay offers with taxes factored in.
Quick Access Tools
Quick Alaska Tax Calculator
Enter your annual income and filing status, then click Calculate to view estimated federal and FICA deductions. Use the advanced tabs to model IRA or 401(k) contributions, dependents, and federal withholdings. Alaska has no local or county income tax, so you can leave the Local Taxes tab unchanged.
Input key: F Used in Federal tax calculations S Used in State tax calculations
How to Calculate Income Tax in Alaska for 2026/27
- Enter your gross annual income and any pre-tax deductions.
- Select your filing status (Single, Married filing jointly, etc.).
- Click Calculate to estimate your federal income tax, FICA, and Medicare contributions, along with your expected take-home pay.
Advanced Options
- Add retirement contributions such as IRA or 401(k) to see adjusted take-home pay.
- Include dependents and child-related tax credits to model family benefits.
- Compare itemized deductions versus the federal standard deduction for optimized results.
- Enter existing federal withholdings to estimate refund or balance due.
Related Calculators
Common Alaska Forms & Schedules
Alaska does not impose a personal income tax, but businesses operating in the state—especially corporations, S corporations, oil & gas producers and entities claiming incentive credits—must file a range of Alaska-specific tax forms. These returns help determine corporate net income tax, assess estimated tax obligations, apply federal-based credits, claim education or LNG storage credits and reconcile payments or overpayments.
The list below provides a structured entry point to all Alaska business tax forms supported on this site. Each form includes its own calculator, line-by-line replication of the official computation, and expanded guidance to help taxpayers understand apportionment, credit limitations and filing requirements. Whether your business files Form 6000, claims credits under Forms 6310 or 6323, or calculates underpayment penalties with Form 6220, these resources ensure full compliance with the Alaska Department of Revenue and align with the most recent published instructions.
- Alaska Form AK 6000 Alaska Form 6000 – Corporation Net Income Tax Return
- Alaska Form AK 6100 Alaska Form 6100 – S Corporation Return
- Alaska Form AK 6150 Alaska Form 6150 – Oil & Gas Corporation Net Income Tax Return
- Alaska Form AK 6220 Alaska Form 6220 – Underpayment of Estimated Tax by Corporations
- Alaska Form AK 6230 Alaska Form 6230 – Application for Quick Refund of Overpayment to Estimated Tax
- Alaska Form AK 6240 Alaska Form 6240 – Payment Voucher – Corp Net Income Tax
Additional Resources
Frequently Asked Questions
Quick answers for Alaska residents: no personal income tax, federal-only calculations, and tips for adjusting withholdings and retirement deductions.
Is Alaska a separate-company or combined-reporting state for corporate tax?
Alaska uses **combined reporting** for corporations that are part of a unitary business. Groups with interrelated operations, centralized management, shared resources or horizontally linked business activities must file on a combined basis. Full details and examples are available on the Form AK-6000 information page. Alaska’s combined-reporting system ensures that corporations do not shift taxable income between subsidiaries to avoid state taxation.
What documentation must accompany Alaska Form 6300?
Form 6300 requires corporations to attach each underlying credit certificate, approval letter, or activity-based credit form (such as Form 6310 for the Education Credit or Form 6323 for LNG Storage Facility Credits). Alaska’s Department of Revenue places strong emphasis on certification accuracy because incentive credits relate to industry-level activities such as production, investment, or community contributions. Failure to attach project approvals or contribution receipts can result in partial or full denial of claimed credits. Corporations should maintain a current-year credit packet that matches the total reported on Form 6300.
Can seasonal workers face special taxes?
Seasonal workers in fisheries, tourism, construction, research stations, and oil field operations do not face any Alaska income tax. However, their federal withholding may fluctuate considerably due to inconsistent weekly earnings, overtime, per diem rules, or supplemental wage methods. Alaska itself imposes no additional payroll layer. Seasonal workers should pay closer attention to their federal withholding settings because variable income can result in underpayment at the federal level, but nothing in Alaska law increases payroll deductions or adds complexity for seasonal employees.
How does filing Form 6100 differ from filing federal Form 1120-S?
Federal Form 1120-S determines overall corporate income, deductions and the profit passed through to shareholders, but Alaska Form 6100 focuses solely on the portion of income attributable to Alaska. Alaska requires adjustments to federal figures to reflect differences in allowable deductions, depreciation rules, intercompany transactions and certain credits. After federal modifications, S corporations must apply Alaska’s apportionment rules to isolate Alaska-source income. Because this state does not tax individuals, the goal of Form 6100 is to ensure the appropriate share of business-level income is reported and taxed at the entity level where required.
What is Alaska Form 6000 and when must a corporation file it?
Alaska Form 6000 is the primary state income tax return for corporations operating in Alaska. Any corporation deriving income from sources within the state—whether through direct operations, sales, leasing, services, or ownership of property—is required to file. This includes both Alaska-domestic corporations and foreign corporations engaged in business activity within the state. Unlike individuals, Alaska corporations are subject to a multi-tier corporate net income tax structure, so Form 6000 is the instrument used to calculate taxable income, apply apportionment rules, subtract allowable deductions and compute final tax liability. Corporations must file annually, even if no tax is owed, as long as the entity still has nexus with Alaska.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.