The free Self-Employment Tax Calculator
Calculate Social Security + Medicare tax owed on freelance/1099 net income.
- Free to use
- No signup
- Nothing to install
- Runs in your browser
Illustration. Open the tool for the real thing.
See it in action
The Self-Employment Tax Calculator with sample data entered and the result showing.

What is the Self-Employment Tax Calculator?
Calculate Social Security + Medicare tax owed on freelance/1099 net income.
Fill in the fields and the page works out the result for you.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Net Self-Employment Income ($)
Social Security (12.4%), Medicare (2.9%), Taxable SE Base (92.35%).
Part of the Tax & Salary group of AZRS calculators.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
Planning
Calculate Social Security + Medicare tax owed on freelance/1099 net income.
Try it freeHow it compares
A plain look at this tool next to the usual alternative.
| This calculator | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
| Where it runs | In your browser tab | On your computer |
Questions people ask
What does the Self-Employment Tax Calculator do?
Calculate Social Security + Medicare tax owed on freelance/1099 net income.
What does it assume?
Half of self-employment tax is deductible on your federal income tax return.
Is the result financial advice?
No. It is an estimate to help you plan. Check important decisions with a qualified professional.
Do I need an account to use the Self-Employment Tax Calculator?
No. Open the page and enter your numbers.
How do I use the Self-Employment Tax Calculator?
1. Open the Self-Employment Tax Calculator. 2. Enter the values it asks for: Net Self-Employment Income ($). 3. Read the result: Total Self-Employment Tax and the figures listed under it.
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Calculate Social Security + Medicare tax owed on freelance/1099 net income. Free to use.
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