Select language

IRS Form 8959 – Fillable PDF for Additional Medicare Tax

  1. Country USA
  2. Language English
  3. Activity Taxes
  4. Department Internal Revenue Service
Fill out this form
IRS Form 8959 – Fillable PDF for Additional Medicare Tax

Form 8959, Additional Medicare Tax, is required when your earned income, compensation, or self‑employment income exceeds the thresholds set by the IRS. Whether you are filing as an individual or on behalf of a small business, our Fill out this form button launches the Formize PDF Filler – a secure, browser‑based editor that lets you complete the form without downloading any software.

What Is Form 8959?

Form 8959 calculates the extra 0.9% Medicare tax that applies to high‑income earners. The tax is applied to wages, compensation, and self‑employment income above $200,000 (single) or $250,000 (married filing jointly). The form is attached to your annual Form 1040 filing.

How to Complete Form 8959 Online

  1. Click the Fill out this form button on this page.
  2. Wait a few seconds while the Formize PDF Filler app loads the fillable version of Form 8959.
  3. Enter your personal information, wages, and any adjustments directly into the fields.
  4. Review the calculated tax amount that appears automatically.
  5. When you’re satisfied, click Save & Download to get a completed PDF you can attach to your tax return.

Common Mistakes to Avoid

  • Using the wrong filing threshold: Remember the $200K/$250K limits differ by filing status.
  • Leaving fields blank: The filler will highlight required fields in red.
  • Double‑counting Medicare tax: If your employer already withheld the additional tax, report it on line 5, not line 4.
  • Submitting an outdated version: Always use the 2024 PDF linked below to ensure you have the latest layout.

Where to Submit the Form

Attach the completed Form 8959 to your Form 1040 when filing electronically or include it with your paper return. If you use a tax professional, provide them the saved PDF.

Need extra help? The IRS Instructions for Form 1040 contain a detailed section on Form 8959.

Instructions

FAQ
  • Do I need to file Form 8959 if I’m below the income threshold?

    No. The Additional Medicare Tax only applies if your wages, compensation, or self‑employment income exceed $200,000 (single) or $250,000 (married filing jointly). If you’re below these limits, you can skip Form 8959.

  • Can I edit a downloaded PDF with my own software?

    While you could use a PDF editor, our fillable version lets you complete the form directly in the browser, ensuring the calculations are correct and the layout matches the IRS specifications.

  • Is the Formize PDF Filler secure?

    Yes. All data is processed locally in your browser and never stored on our servers. Once you download the completed PDF, you have a copy on your device.

  • What if I make a mistake after saving?

    Simply reopen the saved PDF in the Formize PDF Filler, correct the fields, and re‑download the updated version.

  • Do I need to attach Form 8959 when filing electronically?

    When e‑filing, the software will automatically attach the completed Form 8959 if you import the PDF. If you file manually, print the PDF and attach it to your Form 1040.

  • Where can I find the official IRS instructions for Form 8959?

    The official instructions are available on the IRS website at https://www.irs.gov/instructions/i8959.

HOW TO

How to fill out Form 8959 for free, online in 4 easy steps:

  1. 1
    Open the Fillable Form
    Click the "Fill out this form" button on this page. The Formize PDF Filler app will open in a new browser tab.
  2. 2
    Load the Form
    Wait a few seconds while the fillable version of Form 8959 loads. All fields become editable automatically.
  3. 3
    Enter Your Data
    Type your personal details, wages, and any adjustments into the highlighted fields. The calculator updates the tax amount in real time.
  4. 4
    Save and Download
    When the information is correct, click "Save & Download" to obtain a completed PDF that you can attach to your 1040 filing.
Formize PDF Filler app
ABOUT

Tax forms

Form 8959 is one of Tax forms that are documents used to report income, deductions, and tax liability to the relevant tax authority. These forms are an essential part of the tax filing process and are used to ensure individuals and businesses comply with tax laws and accurately calculate their tax obligations.

The specific tax forms required can vary depending on factors such as an individual's filing status, sources of income, and the country's tax laws. However, here are some common types of tax forms:

Individual Income Tax Forms: These forms, such as the 1040 series in the United States, are used by individuals to report their income, claim deductions and credits, and calculate their tax liability.

Business Tax Forms: Businesses, including sole proprietorships, partnerships, corporations, and self-employed individuals, may have to file various forms to report their income, expenses, and taxes owed. Examples include Schedule C (Profit or Loss from Business) and Form 1120 (U.S. Corporation Income Tax Return).

Employment Tax Forms: Employers are required to report employee wages and withhold and remit payroll taxes. Forms such as W-2 (Wage and Tax Statement) and 941 (Employer's Quarterly Federal Tax Return) are used for this purpose.

Investment and Retirement Account Forms: These forms are used to report investment income, capital gains, and losses, as well as contributions and distributions from retirement accounts. Examples include Form 1099-DIV (Dividends and Distributions) and Form 5498 (IRA Contribution Information).

Estate and Gift Tax Forms: When a person passes away or makes significant gifts, specific forms such as Form 706 (United States Estate (and Generation-Skipping Transfer) Tax Return) and Form 709 (United States Gift (and Generation-Skipping Transfer) Tax Return) are used to report and calculate any applicable estate or gift taxes.

It is important to note that tax laws and forms can change over time, so individuals and businesses should consult the relevant tax authority or seek professional tax advice to ensure compliance with the current requirements.

FEATURES

PDF Filler

The easiest way to fill Form 8959 online

  • Quickly fill out Form 8959
    Looking for a way to quickly fill Form 8959 online? With our online free PDF form filler, you’ll know how to how to edit and fill this pdf document in less than a minute.
  • Easy to use online PDF editor
    Fed up with printing out PDF files so you can edit them, before rescanning and sending them back? Edit PDF documents for free online. Use our online pdf editor to save time and paper.
  • Great tools, all platforms
    Wondering how to fill in Form 8959 on a Mac, or maybe how to use a PDF filler free? Our online PDF tools work on all platforms.
  • Secure file storage
    Completed "Form 8959" files are stored in a secured database managed by Amazon Cloud hosting. You can delete your files from our system anytime. In any case, these files are automatically deleted after 24 hours.
  • Chat with Form 8959
    Chat with "Form 8959" on Chatize that is a free PDF reader assistant. Ask questions and get answers from "Form 8959". Just click on Chat With Document button above.

Delete filling session

Delete the selected filling session? In this case, your progress in completing the form will be lost.

Delete editing session

Delete the selected editing session? In this case, your progress in creating and editing the form will be lost.