Schedule SE

Schedule SE (Self-Employment Tax) is an IRS tax form used to calculate the Social Security and Medicare taxes owed by self-employed individuals, independent contractors, freelancers, and sole proprietors. This schedule determines your self-employment tax liability and is attached to Form 1040 when you file your annual federal income tax return.

You must file Schedule SE if your net earnings from self-employment are $400 or more during the tax year, or if you have church employee income of $108.28 or more. Self-employment tax consists of two components: 12.4% for Social Security tax on earnings up to the annual wage base limit ($168,600 for 2024) and 2.9% for Medicare tax on all net self-employment earnings, with no cap. High earners pay an additional 0.9% Medicare tax on earnings exceeding $200,000 for single filers or $250,000 for married couples filing jointly.

The total self-employment tax rate is 15.3% on net self-employment income, which represents both the employer and employee portions of these taxes. Unlike employees who split these taxes with their employer, self-employed individuals must pay the entire amount themselves. However, you can deduct one-half of your self-employment tax when calculating your adjusted gross income, reducing your overall tax burden.

Schedule SE comes in two versions: the Short Schedule SE and the Long Schedule SE. Most taxpayers can use the shorter version, while the long form is required for specific situations involving church employee income, tips, conservation reserve program payments, or optional methods for calculating net earnings.

Net self-employment income is calculated from Schedule C (Profit or Loss from Business) for sole proprietors, Schedule F (Profit or Loss from Farming) for farmers, or Schedule K-1 for partnerships. Self-employed individuals typically must make quarterly estimated tax payments throughout the year to cover both income tax and self-employment tax obligations. Failing to pay adequate self-employment tax can result in penalties and interest charges, making accurate Schedule SE completion essential for tax compliance and proper retirement benefit calculations.