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Your take-home pay is the amount left after taxes and deductions are taken from your gross wages for a pay period. Annual salary alone cannot tell you what will land in your bank account: pay frequency, work location, Form W-4 information, benefit elections, and other deductions all affect the deposit. This guide is U.S.-focused and explains how to read those pieces without treating a federal withholding estimate as a full net-pay calculation.
How to calculate the basic difference
For a single pay period, use this model:
Gross wages − tax withholding − employee benefit contributions − other deductions = net pay (take-home pay).
Salary is commonly quoted as an annual gross amount, but payroll applies it across the employer’s pay periods. To understand a paycheck, start with the gross wages shown for that specific period—not the annual figure by itself. The U.S. Department of Labor’s Savings Fitness guide uses a similar budgeting approach, accounting for taxes, insurance, retirement contributions, and other deductions before net take-home pay.
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Which taxes reduce your paycheck?
Federal income-tax withholding
Federal income-tax withholding is money paid toward your expected annual federal income-tax bill. The amount withheld from regular wages depends on your earnings, pay period, and information on Form W-4. That form can reflect filing status, multiple jobs, credits, other income, deductions, and any extra withholding you request. Changing your W-4 can change the amount withheld per check without changing your gross salary. See the IRS’s Publication 505 for 2026 for current withholding guidance.
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Withholding is not the same as your final tax liability. The IRS calls federal income tax a pay-as-you-go tax: if too little is withheld, you may owe tax or a penalty; if too much is withheld, you generally wait until a refund to use that money. The IRS explains this in its Tax withholding guidance.
Social Security and Medicare (FICA)
Social Security and Medicare taxes are separate from federal income-tax withholding and are not set by Form W-4. For tax year 2026, the IRS lists these employee-side rules:
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- Social Security: 6.2% on covered wages up to the $184,500 annual wage base. Social Security withholding stops on covered wages above that limit.
- Medicare: 1.45% on wages, with no wage-base limit.
- Additional Medicare Tax: employers begin withholding an additional 0.9% after paying an employee more than $200,000 in wages during the calendar year. Employer withholding uses that threshold regardless of filing status; an employee’s final liability may depend on their filing circumstances.
These are IRS figures for 2026, not permanent thresholds. Check the IRS’s Social Security and Medicare tax guidance for the applicable year.
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State and local income-tax withholding depends on where you work and the rules that apply there. A federal withholding estimate does not include those taxes, Social Security, or Medicare; the IRS makes that distinction in its Tax Withholding Estimator FAQs. Other paycheck deductions may include court-ordered payments or items you authorized, depending on your circumstances, employer, plan, and applicable law. Check your pay statement and ask payroll about unfamiliar entries rather than assuming the same rules apply everywhere.
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How benefits deductions change take-home pay
Health insurance premiums
If you enroll in an employer-sponsored health plan, your paycheck may include your share of the premium. Employers commonly pay part of the cost, while the employee’s portion depends on the plan and coverage tier. Compare the employee premium with the coverage you receive; the U.S. Department of Labor’s health coverage guidance recommends checking the portion and cost of job-based coverage. Whether a particular premium is deducted before or after tax depends on the plan arrangement and applicable rules, so verify the treatment with the plan documents or payroll office.
Traditional and Roth 401(k) contributions
A traditional pretax 401(k) salary deferral reduces the cash paid to you and generally defers federal income tax on that contribution. A designated Roth 401(k) contribution is made after tax. The Department of Labor describes the distinction in its 401(k) guidance for small businesses.
The Department of Labor’s Savings Fitness guide gives a simplified example: a $100 monthly contribution reduces take-home pay by $85 when the assumed income-tax rate is 15%. That is an illustration under those stated assumptions, not a universal calculation; actual results depend on tax rates, payroll treatment, and other circumstances.
Employer matching contributions
An employer match can add value to your compensation and retirement savings, but it is not an employee cash deduction from that paycheck. To compare jobs or contribution choices, review the match formula, eligibility rules, and vesting terms in the plan materials separately from current net pay.
How to check why your paycheck is lower than expected
- Find gross wages for the pay period. Use the pay statement’s gross-pay figure and note the pay frequency; an annual salary does not account for the actual period or wages and hours paid.
- Check federal income-tax withholding. Compare the pay-statement line with your current Form W-4 information. The IRS Tax Withholding Estimator and FAQs explain how to estimate federal withholding. Revisit your settings after a major life or income change.
- Separate FICA from federal income tax. Identify Social Security and Medicare lines as payroll taxes with rules distinct from W-4 withholding.
- Add applicable state and local taxes. Use the rules for the relevant work location; a federal estimate alone will not include them.
- Review benefit deductions. List each health, insurance, or retirement election and confirm whether it is treated as pretax or after-tax under your plan.
- Account for other deductions and compare the net. Add the remaining pay-statement items, then compare the resulting net pay with the deposit. Ask payroll or consult current plan documents about employer-specific entries you cannot identify.
How to compare take-home pay between jobs
Compare offers using the same pay period and distinguish gross compensation from net cash. A higher salary does not necessarily produce a proportionally higher deposit if pay frequency, tax withholding, location, or benefit choices differ. Review the factors that apply to each offer:
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- Gross compensation and pay frequency
- Federal withholding assumptions and Form W-4 settings
- State and local taxes for the work location
- Social Security and Medicare treatment
- Employee health premium and coverage tier
- Traditional pretax versus designated Roth retirement contributions
- Employer match, eligibility, and vesting
- Other deductions that affect cash pay
An annual salary on its own cannot produce an exact net-pay figure. An estimate needs at least the work location, gross wages and pay frequency, W-4 details, benefit elections, and other deductions.
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