Colorado Self Employment Tax Calculator (2020)

Last Updated October 6, 2020

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MEDICARE TAX
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SOCIAL SECURITY TAX
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The calculator is for illustrative purposes only, and should not be considered financial or tax advice.

What You Need to Know About Colorado Self-Employment Tax in 2020

1. How much is the self employment tax for Colorado?

Anyone who is self employed with earnings more than $400 has tax obligations. That means paying Colorado self employment tax of 15.3%. Of that amount, 12.4% is dedicated to Social Security, old-age, survivors, and disability insurance, and 2.9% is dedicated to Medicare or hospital insurance.

2. How much do I owe in self employment tax to the government?

You pay Colorado self employment tax based on your earnings. The 12.4% of Social Security is applied to a set amount, which in 2020 will be the first $137,000 of your earnings. The 2.9% of Medicare is applied to all your combined net earnings. There are some different filing requirements if you have a business with your spouse, or your spouse works for you. You can also receive some benefits at income tax time by deducting the employer-equivalent portion of your Colorado self employment tax in figuring your adjusted gross income.

3. When do I have to pay taxes?

Colorado self employment tax must be paid on a quarterly basis, or you could face a penalty. The dates for making quarterly estimated tax payments are:

  • April 15th
  • June 15th
  • September 15th
  • January 15th

4. What forms do I need to file taxes?

Use Form 1040-ES, Estimated Tax for Individuals, to pay your Colorado self employment tax . When it comes time to file your annual tax return, use Schedule SE (Form 1040 or 1040-SR ), Self-Employment Tax to report your Social Security and Medicare taxes.

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