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Schedule SE (Form 1040)

Last reviewed: May 2026

Use Schedule SE (Form 1040) to calculate self-employment tax based on net earnings from self-employment.

Topic Forms library
Form Schedule SE
Audience freelancers Self-employed people small business owners
Issue Filing Workflow Forms
Tax year 2026

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This usually works alongside Schedule C and feeds into the main return.

How this form usually moves

What it is

This schedule calculates self-employment tax.

Who usually uses it

Self-employed taxpayers generally use it when Schedule C or other self-employment income creates net earnings.

Where it usually goes

Attach it to Form 1040 when self-employment tax applies.

Who this is for

People looking for a clearer, calmer path through this tax issue.

When to use this page

Use this page when you need a practical next step, not just a definition.

What to gather

  • The current or prior-year version of the form
  • Instructions for the matching tax year
  • Income or deduction records tied to the form

Forms that may matter

  • Schedule Se

Step-by-step

  1. Confirm what this form does and whether it applies to this tax year.
  2. Gather the records that feed the lines or boxes on the form.
  3. Complete the form and attach or submit it with the right return or payment workflow.
  4. Keep a copy with the year and related notices or schedules.

Official sources

Sources and authority

Sources 2/2 Good source coverage Updated May 2026
IRS

IRS

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Action plan

Form workflow checklist

Keep the form, records, and next filing step in one place so the form does not drift away from the rest of the return.

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Related forms and problem pages

Form 1040 Use Form 1040 to file an annual federal individual income tax return and tie together the schedules, credits, withholding, and balances that drive the final return. Form 1040 Use Form 1040 to file an annual federal individual income tax return and tie together the schedules, credits, withholding, and balances that drive the final return. Schedule C (Form 1040) Use Schedule C (Form 1040) to report sole-proprietor or single-member LLC business income and expenses, then carry the result into the main return. Form 4868 Use Form 4868 to request an automatic extension of time to file an individual return, while still paying as much of the tax due as you reasonably can by the deadline. Form 4868 Use Form 4868 to request an automatic extension of time to file an individual return, while still paying as much of the tax due as you reasonably can by the deadline. Form 9465 Use Form 9465 to request an installment agreement when you owe tax and cannot pay the full balance at once.