Washington Self Employment Tax Calculator (2020)

Last Updated September 28, 2020

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In 2020 you will owe a minimum of
$X,XXX in self-employment taxes.
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This is an estimate, and should not be considered tax or financial advice.
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What You Need to Know About Washington Self-Employment Tax in 2020

1. How much is the self employment tax for Washington state?

The Washington state self employment tax covers both Social Security and Medicare payments when you're a solo worker. The total is 15.3%, with 12.4% covering the part of Social Security and 2.9% covering your Medicare.

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

The Washington state self employment tax is decided on year by year basis. In 2020, the Social Security percentage will be applied to the first $137,700 of your earnings. Medicare is applied to everything you earn. Those who file as a married couple will face differences, for instance you will have to pay for your spouse if he/she works for you.

3. When do I have to pay taxes?

The Washington state self employment tax requires quarterly payments made on the following dates:

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

Read our guide on how to file quarterly estimated taxes.

4. What forms do I need to file taxes?

Washington state self employment tax federal requirement is Form 1040-ES, Estimated Tax for Individuals. Be prepared to fill it in.

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