What is a Self-Employment Tax Calculator?
A self-employment tax calculator is a specialized financial tool designed for freelancers, 1099 contractors, and small business owners. It calculates the combined Social Security and Medicare taxes (collectively known as SE tax) that you must pay as both the employer and the employee.
Navigating the tax code in 2026 as a self-employed individual can be daunting. Our calculator provides a clear breakdown of your total tax burden, including federal income tax, state income tax, and your quarterly estimated payments, helping you avoid surprises when tax season arrives.
How to Calculate Your 1099 Taxes
Follow these steps to accurately estimate your self-employment tax liability:
- 1Enter Your Net Business ProfitInput your total gross income minus all deductible business expenses. Self-employment tax is only paid on your net profit.
- 2Account for Other IncomeInclude any W-2 income from other jobs. This is important because it contributes toward the Social Security wage base limit.
- 3Select Your Filing Status and StateYour income tax rates vary based on whether you file as Single, Married Jointly, or Head of Household, as well as your state of residence.
- 4Review Quarterly EstimatesLook at the suggested quarterly payments to ensure you are staying compliant with IRS "pay-as-you-go" requirements.
Frequently Asked Questions
What is the self-employment tax rate for 2026?
The self-employment tax rate for 2026 is 15.3%. This consists of two parts: 12.4% for Social Security (up to the annual wage base limit) and 2.9% for Medicare. Since you are both the employer and employee, you are responsible for the full amount.
Is self-employment tax the same as income tax?
No. Self-employment tax is specifically for Social Security and Medicare. You will still owe federal and state income taxes on your business profit. Self-employment tax is calculated on 92.35% of your net business income.
Can I deduct my self-employment tax?
Yes, you can deduct the "employer-equivalent" portion of your self-employment tax (7.65%) when calculating your adjusted gross income for federal income tax purposes. This deduction only affects your income tax, not the self-employment tax itself.
2026 SE Tax Facts
Standard SE Rate
15.3%
SS Portion
12.4% (up to limit)
Medicare Portion
2.9% (no limit)