Self-Employment Tax on Upwork Side Gigs: Rules, Filing, and Deductions

Last Updated Jun 24, 2025
Self-Employment Tax on Upwork Side Gigs: Rules, Filing, and Deductions Do I pay self-employment tax on Upwork side gigs? Infographic

Do I pay self-employment tax on Upwork side gigs?

Income earned from Upwork side gigs is subject to self-employment tax because it is considered earnings from self-employment. You must report this income on Schedule C and calculate the self-employment tax using Schedule SE when filing your taxes. Paying self-employment tax covers Social Security and Medicare contributions for your freelance earnings.

Understanding Self-Employment Tax for Upwork Freelancers

Understanding self-employment tax is essential for Upwork freelancers managing side gigs. This tax applies to net earnings from freelance work and impacts your overall tax obligations.

  • Self-employment tax applies on Upwork earnings - Income earned through Upwork is subject to self-employment tax if it exceeds $400 annually.
  • Self-employment tax covers Social Security and Medicare - This tax funds Social Security and Medicare, requiring freelancers to pay both employer and employee portions.
  • Reporting income accurately is crucial - Upwork freelancers must report their earnings on Schedule C and calculate self-employment tax using Schedule SE.

Who Needs to Pay Self-Employment Tax on Upwork Earnings?

Self-employment tax applies to individuals who earn income through freelance or contract work on platforms like Upwork. This tax covers Social Security and Medicare contributions for those not classified as traditional employees.

Anyone earning $400 or more from Upwork gigs must pay self-employment tax on that income. Earnings below this threshold are generally exempt from self-employment tax but still subject to income tax reporting.

Calculating Self-Employment Tax for Side Gigs

Do I pay self-employment tax on Upwork side gigs? Income earned from Upwork side gigs is subject to self-employment tax if it exceeds the IRS threshold. Calculating self-employment tax involves determining your net earnings by subtracting business expenses from your gross income.

Key IRS Forms for Upwork Freelancers

Upwork freelancers must report their earnings as self-employment income to the IRS. Self-employment tax applies to net earnings from Upwork side gigs, covering Social Security and Medicare contributions.

Key IRS forms for Upwork freelancers include Schedule C (Form 1040) to report income and expenses from self-employment. Freelancers also file Schedule SE (Form 1040) to calculate and pay self-employment tax on their net earnings.

Filing Requirements and Important Deadlines

Filing Requirements for Self-Employment Tax on Upwork Side Gigs
If your net earnings from Upwork side gigs are $400 or more in a tax year, you must file Schedule SE (Self-Employment Tax) with your Form 1040. This tax covers Social Security and Medicare contributions for independent contractors. You are required to report all income received through Upwork even if no taxes were withheld. Keep detailed records of income and expenses to accurately calculate taxable net earnings.
Important Deadlines
Your self-employment tax must be reported when you file your annual income tax return by April 15. Estimated quarterly tax payments are due on April 15, June 15, September 15, and January 15 of the following year. Paying quarterly helps avoid penalties and interest for underpayment. Using IRS Form 1040-ES can help calculate these estimated payments based on earnings from Upwork side gigs.

Deductible Business Expenses for Upwork Side Hustles

When working on Upwork side gigs, self-employment tax applies to your net earnings from freelance work. This tax covers Social Security and Medicare contributions, calculated on your income after expenses.

Deductible business expenses for Upwork side hustles can significantly reduce your taxable income. Common deductions include home office costs, internet and software expenses, and fees paid to Upwork. Tracking and claiming these deductions helps lower your self-employment tax liability effectively.

Tracking Income and Expenses from Upwork Gigs

Income earned from Upwork side gigs is subject to self-employment tax, which covers Social Security and Medicare contributions. Tracking income and expenses accurately for these gigs is essential to calculate your net earnings and determine the correct tax liability. Maintaining detailed records of payments received and deductible expenses helps ensure compliance and can reduce the total self-employment tax owed.

Common Mistakes to Avoid When Filing Self-Employment Taxes

Many freelancers using Upwork are unsure about their obligations for self-employment tax. Understanding common mistakes can help avoid costly errors when filing taxes on side gigs.

  1. Failing to Account for Both Income and Expenses - Neglecting to report all Upwork earnings or deductible business expenses can lead to incorrect tax calculations and potential penalties.
  2. Ignoring Self-Employment Tax Requirements - Many freelancers mistakenly believe that only income tax applies, overlooking the additional self-employment tax that covers Social Security and Medicare contributions.
  3. Not Keeping Accurate Records - Poor documentation of income and business expenses complicates tax filing and increases the risk of errors or audits.

Maximizing Deductions to Lower Upwork Tax Liability

Self-employment tax applies to income earned from Upwork side gigs, covering Social Security and Medicare contributions. Maximizing deductions such as home office expenses, software subscriptions, and business-related travel can significantly lower your Upwork tax liability. Keeping detailed records of all deductible expenses ensures accurate tax reporting and reduces the amount owed on side gig earnings.

Tax Planning Tips for Upwork Side Gig Workers

Self-employment tax applies to income earned from Upwork side gigs, as the IRS views these earnings as self-employment income. Understanding tax obligations is crucial for side gig workers to avoid penalties and maximize deductions.

  • Track All Income - Keep detailed records of all payments received through Upwork to accurately report earnings and calculate tax liability.
  • Deduct Business Expenses - Claim allowable expenses such as home office costs, software subscriptions, and equipment to reduce taxable income.
  • Make Quarterly Estimated Payments - Avoid underpayment penalties by submitting estimated taxes quarterly based on your projected income from side gigs.

Effective tax planning helps Upwork side gig workers comply with IRS requirements and retain more of their hard-earned income.

Related Important Terms

Gig Economy Self-Employment Tax

Income earned from Upwork side gigs is subject to self-employment tax, which covers Social Security and Medicare contributions for gig economy workers. Freelancers must report their earnings on Schedule SE and pay approximately 15.3% self-employment tax on net income above the IRS threshold.

Upwork 1099-K/1099-NEC Reporting

Upwork issues 1099-K forms for freelancers who exceed $600 in payments through the platform, reporting income to the IRS for self-employment tax purposes, while 1099-NEC forms are provided for direct client payments off-platform. Freelancers must report all income from Upwork side gigs on Schedule C and pay self-employment tax accordingly, regardless of which 1099 form is received.

Virtual Labor Platform Taxation

Income earned through Upwork side gigs is subject to self-employment tax, as the IRS classifies earnings from virtual labor platforms as self-employment income. Freelancers must report all payments received on Form 1099-NEC or equivalent statements and calculate self-employment tax using Schedule SE when filing their annual tax return.

Digital Marketplace Tax Threshold

Self-employment tax applies to earnings from Upwork side gigs once net income exceeds the IRS digital marketplace tax threshold of $400 annually. Freelancers must report income if their gross earnings from digital platforms surpass this threshold, ensuring compliance with self-employment tax obligations.

Online Freelancer Estimated Tax Payments

Online freelancers using Upwork must pay self-employment tax on their earnings, as these income streams count as taxable self-employment income. Estimated tax payments should be made quarterly to the IRS to cover both income tax and self-employment tax obligations, ensuring compliance and avoiding penalties.

Platform Worker Quarterly Taxes

Platform workers on Upwork are subject to self-employment tax on their earnings, requiring quarterly estimated tax payments to the IRS to avoid penalties. Accurately tracking income and deductible expenses each quarter is essential for correctly calculating these taxes and managing cash flow effectively.

Independent Contractor Tax Deductions (Upwork)

Independent contractors on Upwork must pay self-employment tax on their earnings, but they can reduce taxable income by claiming deductible business expenses such as home office costs, software subscriptions, and marketing expenses directly related to their freelance work. Accurate record-keeping of these deductions is crucial for minimizing overall tax liability while complying with IRS guidelines for self-employed individuals.

Platform Service Fees Tax Treatment

Platform service fees deducted by Upwork are considered business expenses and reduce your net income subject to self-employment tax. Accurately reporting these fees helps lower taxable earnings on Schedule C, minimizing overall self-employment tax liability.

Pay-As-You-Earn (PAYE) for Gig Workers

Gig workers on platforms like Upwork must pay self-employment tax on their earnings, as income is not subject to traditional Pay-As-You-Earn (PAYE) withholding. This requires independent reporting of income and payment of both Social Security and Medicare taxes directly to the IRS through estimated quarterly tax filings.

Remote Side Hustle Self-Employment Tax

Income earned from Upwork side gigs is subject to self-employment tax, which covers Social Security and Medicare contributions for remote freelancers. Filing Schedule SE with your annual tax return ensures accurate calculation and payment of self-employment tax on side hustle earnings.



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