More money now or refund later? Use our W-4 calculator.

Your W-4 impacts how much money you receive in every paycheck, your potential tax refund, and it can be changed anytime. Figure out which withholdings work best for you with our W-4 tax withholding calculator.

Your W-4 calculator checklist:

  • Five to 10 minutes to complete all the questions

  • Current paycheck stubs for all jobs

  • Last year’s tax return

  • Salary information for remainder of the year

  • Deductions info to be taken this year

  • Info on additional income you might receive

Understanding your W-4.

Don't be caught off guard by your refund amount or money you owe the IRS at tax time.

No more allowances

No more allowances

Withholdings are not based on your personal or dependency exemptions.

More precise withholding

More precise withholding

This could impact your refund or what you owe. We'll help you understand them to avoid surprises.

Spousal & side job incomes

Spousal & side job incomes

Factor in your household income from all sources.

Updates for life changes

Updates for life changes

Update your form if you have a new job, had children, got married, or had a significant income change.

Underpayment penalties

Underpayment penalties

You could incur penalties if you do not withhold enough throughout the year.

Changes on your W-4

Changes on your W-4

The new W-4 tax form took effect starting Jan. 1, 2020.

Take control of your tax situation.

Our W-4 calculator offers step-by-step instructions on how to put more money in your pocket now, or to get the refund you want at tax time.

FAQs

If your results show you will have an amount owed (meaning your withholding is set too low), you may owe a penalty and/or interest for not paying enough taxes. To avoid further potential penalties and interest, you could make adjustments to your withholding as outlined in the question above "I want a refund at tax time."

Your results will only account for federal income tax withholding. Other paycheck deductions are not taken into account. You should consider other deductions your paycheck, such as Social Security tax, Medicare tax, state tax, local tax, insurance premiums, retirement contributions, etc., to determine if you're comfortable with your take-home pay amount.

You’ll provide your completed Form W-4 to your employer.

If you have an older W-4 on file with your employer and you’re happy with your previous refund amount, you won’t need to complete a new one just because the form changed.

You should complete a new W-4 when you start a new job, get married, or have a child if you want more accurate withholding. It’s also a good idea to update your W-4 if someone in your household starts a new job.

The 2020 form was redesigned to more closely match your withholding with your tax liability, which reduces the likelihood of a refund.

If you have an older W-4 on file with your employer and you’re happy with your previous refund amount, you won’t need to complete a new one just because the form changed.

You should complete a new W-4 when you start a new job, get married, or have a child if you want more accurate withholding. It’s also a good idea to update your W-4 if someone in your household starts a new job.

The 2020 form was redesigned to more closely match your withholding with your tax liability, which reduces the likelihood of a refund.

The only two steps required for all employees are Step 1, where you enter personal information like your name and filing status, and Step 5, where you sign the form.

Completing Steps 2 – 4 (if applicable) means your withholding should more accurately reflect your tax liability.

You should increase your withholding if:

You are presented with an amount that you owe in taxes from the output of our W-4 calculator and your desired tax refund amount is $0.

You should decrease your withholding if:

You are presented with a tax refund amount from the output of our W-4 calculator and and your desired tax refund is $0. This may not be possible in some cases.

If you have self-employment income, you’ll generally owe self-employment tax along with income tax. With this type of income, you will not have withholding.

You can either:

Make adjustments to your W-4 with your employer to account for your self-employment income or pay quarterly estimated taxes to cover this income using Form 1040-ES, Estimated Tax for Individuals. Withholding for this type of income is made by claiming extra withholdings on line 4c.

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