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Fillable Form 1040 (2020)

Form 1040 is used by U.S. taxpayers to file an annual income tax return.

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What is Form 1040?

Form 1040, U.S. Individual Income Tax Return, is an Internal Revenue Service (IRS) tax form that U.S. taxpayers use to file their income tax returns. It is used to calculate and report gross income and tax liabilities to help an individual determine if he or she owes the government taxes or has a refund.

When to file Form 1040?

The deadline to file Form 1040 is April 15th of every year. In the U.S., the day is called Tax Day. When the deadline falls on a weekday or a holiday, the next business day becomes the new due date.

Do I need to file Form 1040?

To know if you need to file Form 1040, here are the conditions:

Your filing status is...

At the end of 2020, you were...

And your gross income was at least...


Age 65

65 or older



Married filing jointly

Under 65 (both spouses)

65 or older (one spouse)

65 or older (both spouses)




Married filing separately

Any age


Head of household

Under 65

65 or older



Qualifying widower(er)

Under 65

65 or older



If you are self-employed, an independent contractor, or freelance, if you received a net earning of at least $400, you need to file Form 1040.

How to fill out Form 1040?

Form 1040 is a two-page tax form. Make sure to compute and provide information accurately to avoid problems with the federal tax agency.

For your convenience, make sure to gather all your tax documents, including your Form W-2, Wage and Tax Statement, and applicable 1099 forms.

Answer the following fields:

Filing Status

Check the box to determine your filing status. The options are:

  • Single
  • Married filing jointly
  • Married filing separately (MFS) — Also enter the name of your spouse in the entry space provided.
  • Head of household (HOH) — Also enter the name of the child in the entry space provided if the qualifying person is a child but not your dependent.
  • Qualifying widow(er) (QW) — Also enter the name of the child in the entry space provided if the qualifying person is a child but not your dependent.

Then, provide the applicable information:

  • Your full legal name — If filing jointly, also enter the full legal name of your spouse.
  • Your social security number — If filing jointly, also enter the social security number of your spouse.
  • Home address — If your post office does not deliver mail to your home, use your P.O. box address instead. If you have a foreign address, enter the required information.

If you or your spouse — if filing jointly — wants $3 to go to the Presidential Election Campaign, mark the applicable checkbox.

If at any time during 2020, you received, sold, sent, exchanged, or acquired any financial interest in any virtual currency, mark the appropriate Yes box; otherwise, mark No.

Standard Deduction

Mark the appropriate box if someone can claim:

  • You as a dependent
  • Your spouse as a dependent

If you were a dual-status citizen, check the box that says “Spouse itemizes on a separate return or you were a dual-status alien.”

For the Age/Blindness field, mark the applicable boxes to determine your or your spouse’s age or if you or your spouse is blind.


If you have dependents, enter their:

  • Full legal names
  • Social security numbers
  • Relationships to you

Then, mark the applicable box if the dependents qualify for child tax credit or credit for other dependents.

Provide the following information about your income:

Line 1

Enter your wages, salaries, tips, and other income amounts. Then, attach Form W-2.

Line 2a

Enter tax-exempt interest amount.

Line 2b

Enter taxable interest amount.

Line 3a

Enter qualified dividends amount.

Line 3b

Enter ordinary dividends amount.

Line 4a

Enter IRA distributions amount.

Line 4b

Enter IRA distributions taxable amount.

Line 5a

Enter pension and annuities amount.

Line 5b

Enter pension and annuities taxable amount.

Line 6a

Enter social security benefits amount.

Libe 6b

Enter social security benefits taxable amount.

Line 7

Enter capital gain or loss amount. Then attach Schedule D, if required. Otherwise, mark the box.

Line 8

Enter other income amounts from Schedule 1, Line 9.

Line 9

Enter the total income when you add Lines 1, 2b, 3b, 4b, 5b, 6b, 7, and 8.

Line 10

Enter adjustments to income:

a. From Schedule 1, Line 22

b. Charitable contributions if you take the standard deduction.

c. Total adjustments to income. To get this, add Lines 10a and 10b.

Line 11

Enter adjusted gross income. To get this, subtract Line 10c from Line 9.

Line 12

Enter standard deduction or itemized deductions (from Schedule A).

Line 13

Enter qualified business income deduction amount. Then, attach Form 8995 or Form 8995-A.

Line 14

Enter the sum of Lines 12 and 13.

Line 15

Enter the taxable income amount.

Line 16

Enter tax amount. Then, check if any from Forms 8814, 4972, or another form that you need to specify.

Line 17

Enter the amount from Schedule 2, Line 3.

Line 18

Enter the sum of lines 16 and 17.

Line 19

Enter child tax credit or credit from other dependents amount.

Line 20

Enter the amount from Schedule 3, Line 7.

Line 21

Enter the sum of Lines 19 and 20.

Line 22

Enter the difference when you subtract Line 21 from Line 18. If zero or less, enter 0.

Line 23

Enter other taxes amount.

Line 24

Enter the sum of Lines 22 and 23.

Line 25

Enter federal income tax withheld from:

a. Form(s) W-2

b. Form(s) 1099

c. Other forms

d. Sum of Lines 25a through 25c

Line 26

Enter 2020 estimated tax payments and amount applied from 2019 return.

Line 27

Enter earned income credit (EIC) amount.

Line 28

Enter additional child tax credit amount. Then, attach Schedule 8812.

Line 29

Enter American opportunity credit from Form 8863, Line 8.

Line 30

Enter recovery rebate credit amount.

Line 31

Enter the amount from Schedule 3, Line 13.

Line 32

Enter the total other payments and refundable credits amount. To get this, add Lines 27 through 31.

Line 33

Enter total payments amount. To get this, add Lines 25d, 26, and 32.


Line 34

Enter overpaid amount. This is when Line 33 is more than Line 24. To get the amount, subtract Line 24 from Line 33.

Line 35a

The amount of Line 34 you want to be refunded to you. Mark the box if Form 8888 is attached. Then provide the following:

b. Routing number

c. Type. Mark if Checking or Savings

d. Account number

Line 36

Enter the amount of Line 34 you want to be applied to your 2021 estimated tax

Amount You Owe

Line 37

Enter the total amount you owe. To get this, subtract Line 33 from Line 24.

Line 38

Enter the estimated tax penalty amount.

Third Party Designee

Mark the box if you want to allow another person to discuss your Form 1040 with the IRS. Then, provide the following designee’s information:

  • Name
  • Phone Number
  • Personal identification number (PIN)

Sign Here

Provide the following:

  • Your signature
  • The date you signed the form
  • Your occupation
  • Your Identity Protection PIN if the IRS sent one
  • Your phone number
  • Your email address

If filing a joint return, provide the following:

  • Your spouse’s signature
  • The date your spouse signed the form
  • Your spouse’s occupation
  • Your spouse’s Protection PIN if the IRS sent one

Paid Preparer Use Only

Provide the following information if you used a preparer:

  • Preparer’s name
  • Preparer’s signature
  • The date the preparer signed the form
  • Preparer’s PTIN
  • If the preparer is self-employed, mark the box
  • Firm’s name
  • Firm’s address
  • Phone number
  • Firm’s EIN

Where to file Form 1040?

The address to send your Form 1040 depends on your location. Refer to the instructions pages of the form to see the list of addresses.


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