A Solo Entrepreneur's Guide to Payroll Taxes

Published July 18, 2026·6 min read

As a solo entrepreneur, understanding payroll taxes is crucial for managing your finances effectively. These taxes can significantly impact your bottom line, and knowing your obligations can save you both time and money. This guide will walk you through what you need to know about payroll taxes for solo entrepreneurs in 2026, ensuring you're prepared for the year ahead.

Understanding Payroll Taxes for Solo Entrepreneurs

Payroll taxes for solo entrepreneurs primarily include Social Security and Medicare taxes. In 2026, Social Security tax is set at 6.2% on wages up to $176,100. Medicare tax is 1.45% on all wages, with an additional 0.9% for high earners. If you're operating in Washington, you'll also need to consider the Paid Family and Medical Leave (PFML) tax of 0.74% and the WA Cares Fund tax of 0.58%. Depending on your industry, the Washington Labor and Industries (L&I) tax may vary as well. Keeping track of these rates is essential for accurate tax calculations.

Calculating Your Payroll Taxes

To calculate your payroll taxes, you first need to determine your total wages for the year. 1. Calculate Social Security tax — Multiply your wages up to $176,100 by 6.2%. 2. Calculate Medicare tax — Multiply your total wages by 1.45%. For high earners, add an additional 0.9% on wages over $200,000. 3. For Washington state, calculate PFML — Multiply your total wages by 0.74%. 4. Calculate WA Cares — Multiply your total wages by 0.58%. 5. Determine L&I tax based on your industry. After calculating these amounts, sum them up to find your total payroll tax liability.

Tax Deductions and Credits for Solo Entrepreneurs

As a solo entrepreneur, you may qualify for various tax deductions and credits that can reduce your overall tax burden. 1. Business expenses — You can deduct ordinary and necessary expenses related to your business, such as office supplies, travel, and marketing costs. 2. Home office deduction — If you use part of your home for business, you may be eligible for a home office deduction. 3. Self-employment tax deduction — You can deduct half of your self-employment tax when calculating your adjusted gross income. 4. Retirement contributions — Contributions to retirement plans like a Solo 401(k) can also reduce your taxable income.

To ensure you're calculating payroll taxes accurately, consider using our free payroll tax calculator at micro-payroll.com. This tool can help simplify the process and keep your business compliant.

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Frequently Asked Questions

What are payroll taxes for solo entrepreneurs?

Payroll taxes for solo entrepreneurs include Social Security tax, Medicare tax, and any applicable state taxes.

How do I calculate my payroll taxes?

Calculate your payroll taxes by determining your total wages and applying the appropriate tax rates for Social Security, Medicare, and state taxes.

Are there any deductions available for solo entrepreneurs?

Yes, solo entrepreneurs can deduct business expenses, home office expenses, half of their self-employment tax, and retirement contributions.

What is the Social Security tax rate for 2026?

The Social Security tax rate for 2026 is 6.2% on wages up to $176,100.

What additional taxes do I need to consider in Washington?

In Washington, you need to consider the PFML tax of 0.74%, WA Cares tax of 0.58%, and L&I tax which varies by industry.

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