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Self-Employment Tax: Understand & Calculate It in 2020

Self-employment tax is a combination of Social Security and Medicare taxes. Here's how much it is, how to calculate it and how to pay the bill.
July 31, 2020
Income Taxes, Small Business Taxes, Taxes
Self-Employment Tax Basics and How to Calculate It in 2019
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You may need to pay self-employment tax if you’re a freelancer, independent contractor or small-business owner. Here’s what self-employment tax is, how it works and how you can save.


Note: As part of the government’s ongoing response to COVID-19, recent legislation provides unemployment benefits, emergency funds, retirement account withdrawals, and loans and relief for the self-employed, including “gig workers.” Read more about what’s available here. You can also read our guide to COVID-19, which has answers about stimulus checks, debt relief, changing travel policies and managing your finances.


What is self-employment tax?

The self-employment tax rate is 15.3%. That rate is the sum of a 12.4% for Social Security and 2.9% for Medicare. Self-employment tax applies to net earnings — what many call profit. You may need to pay self-employment taxes throughout the year.

The self-employment tax rate for 2019 and 2020

As noted, the self-employment tax rate is 15.3% of net earnings. That rate is the sum of a 12.4% Social Security tax and a 2.9% Medicare tax on net earnings. Self-employment tax is not the same as income tax.

  • One big difference between self-employment tax and the payroll taxes people with regular jobs pay is that typically employees and their employers split the bill on Social Security and Medicare (i.e., you pay 7.65% and your employer pays 7.65%); self-employed people pay both halves.
  • For 2019, only the first $132,900 of earnings was subject to the Social Security portion.
  • For 2020, the first $137,700 of earnings is subject to the Social Security portion.
  • A 0.9% additional Medicare tax may also apply if your net earnings from self-employment exceed $200,000 if you’re a single filer or $250,000 if you’re filing jointly.

See what else you can do for your business


 

How to calculate self-employment tax

Calculating your tax starts by calculating your net earnings from self-employment for the year.

  • For tax purposes, net earnings usually are your gross income from self-employment minus your business expenses.
  • Generally, 92.35% of your net earnings from self-employment is subject to self-employment tax.
  • Once you’ve determined how much of your net earnings from self-employment are subject to tax, apply the 15.3% tax rate.
  • Remember, though — for 2019, only the first $132,900 of earnings was subject to the Social Security portion of self-employment tax. In 2020, that rose to $137,700.
  • If you had a loss or just a little bit of income from self-employment, be sure to check out the two optional methods in IRS Schedule SE to calculate your net earnings.

Who has to pay self-employment tax?

In general, you have to pay self-employment tax if either of these things are true during the year:

  • You had $400 or more in net earnings from self-employment (excluding anything you made as a church employee). You may be self-employed in the eyes of the IRS if you received a 1099 form from an entity you did work for.
  • You had $108.28 or more in income from church employment.

The tax rules apply no matter how old you are and even if you’re receiving Social Security or are on Medicare.

How to pay self-employment tax

  • Generally, you use IRS Schedule C to calculate your net earnings from self-employment.
  • You use IRS Schedule SE to calculate how much self-employment tax you owe.
  • You’ll need to provide your Social Security number or individual taxpayer identification number (ITIN) when you pay the tax.
  • Taxes are a pay-as-you-go deal in the United States, so waiting until April to pay your self-employment tax may mean incurring late-payment penalties. Instead, you may need to make quarterly estimated tax payments throughout the year if you expect:
  1. You’ll owe at least $1,000 in federal income taxes this year, even after accounting for your withholding and refundable credits (such as the earned income tax credit), and
  2. Your withholding and refundable credits will cover less than 90% of your tax liability for this year or 100% of your liability last year, whichever is smaller. (The threshold is 110% if your adjusted gross income last year was more than $150,000 for married couples filing jointly or $75,000 for singles.)

Tax deductions for self-employment

You can deduct half of your self-employment tax on your income taxes. So, for example, if your Schedule SE says you owe $2,000 in self-employment tax for the year, you’ll need to pay that money when it’s due during the year, but at tax time $1,000 would be deductible on your 1040.

Self-employment can score you a bunch of sweet tax deductions, too. One is the qualified business income deduction, which lets you take an income tax deduction for as much as 20% of your self-employment net income. (Learn more about that here.) Plus, there are other deductions available for your home office, health insurance and more. Here’s a primer.


 

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