Published May 31, 2026 · Updated September 18, 2026 · 12 min read
Your gross pay and the amount that reaches your bank account can be very different. That difference may include federal and state income tax withholding, Social Security and Medicare taxes, health insurance premiums, retirement contributions, and other deductions that apply to your paycheck.
Understanding these deductions can make your pay stub easier to read and help you see where your money is going. This guide explains common paycheck deductions, which ones may be required or optional, how they affect your take-home pay, and what to review if something on your paycheck does not look right.
Quick Answer
Paycheck deductions are amounts taken from your gross pay before you receive your take-home pay. Common deductions include federal and state income taxes, Social Security and Medicare taxes, health insurance, retirement contributions, and other benefits or voluntary deductions. Your net pay is what remains after these amounts are subtracted.
Gross Pay vs. Net Pay: The Big Picture
Two important amounts to understand on your pay stub are gross pay and net pay:
- Gross pay is your total earnings before taxes and other deductions are taken out. Depending on your job, gross pay may include regular wages or salary, overtime, bonuses, commissions, and other taxable earnings.
- Net pay is the amount remaining after taxes and other applicable deductions are subtracted from your gross pay. It is commonly called your “take-home pay” and is generally the amount you receive by direct deposit or check.
The difference between gross pay and net pay reflects the taxes, benefits, retirement contributions, and other deductions that apply to your paycheck. Understanding that difference can help you review your pay stub and plan a budget based on the income you actually receive. Our Paycheck Calculator can help you estimate your take-home pay based on the information you enter.
The Main Deductions on Your Paycheck
Paycheck deductions can include required taxes as well as other deductions that depend on your employer, benefits, location, and personal choices. Here is a quick overview of some common deductions:
| Deduction | What It Is | Required? |
|---|---|---|
| Federal income tax | Federal income tax withheld from your pay | Usually |
| State income tax | State income tax withheld where applicable | Varies by state |
| Social Security | Helps fund retirement, disability, and survivor benefits | Usually |
| Medicare | Helps fund the Medicare health insurance program | Usually |
| Health insurance | Your share of employer-sponsored health plan premiums | Depends on coverage |
| Retirement (401(k)) | Employee contributions to an employer-sponsored retirement plan | Usually optional |
How to Read a Typical Pay Stub
Knowing what the deductions mean is one thing, but it also helps to know where they may appear on your pay stub. Pay stub layouts vary by employer and payroll provider, but these are some common sections you may see:
| Section | What It Means |
|---|---|
| Gross Pay | Your earnings before taxes and other deductions |
| Taxes | Federal income tax, applicable state or local taxes, Social Security, and Medicare |
| Benefits | Health insurance, retirement contributions, HSA contributions, and other benefits |
| Net Pay | Your remaining pay after taxes and other applicable deductions |
| Year-to-Date (YTD) | Cumulative totals for the current calendar year |
Reviewing these sections each pay period can help you understand changes in your earnings and deductions and spot possible errors early.
Taxes: The Required Deductions
Federal income tax
Federal income tax withholding can vary based on your earnings, pay frequency, filing status, and the information you provide on Form W-4. Your W-4 can account for factors such as multiple jobs, dependents, other income, deductions, and additional withholding. The amount withheld from each paycheck is generally applied toward your federal income tax for the year.
State income tax
State income tax withholding varies depending on where you live and work, as well as the tax rules that apply to you. Some states do not impose an individual income tax, while others require state income tax withholding from employee wages. If state income tax is withheld from your paycheck, it will generally appear as a separate deduction on your pay stub.
Social Security and Medicare (FICA)
Social Security and Medicare taxes are commonly referred to as FICA taxes. Social Security taxes help fund retirement, disability, and survivor benefits, while Medicare taxes help fund the Medicare health insurance program. For most employees, these taxes are withheld from wages and employers generally pay a matching amount. Social Security tax applies only up to an annual wage limit, while Medicare tax generally applies to all covered wages. An Additional Medicare Tax may also apply to employee wages above certain thresholds.
Other Common Deductions
Beyond taxes, your paycheck may include other deductions related to benefits, retirement savings, and workplace programs. Some are voluntary, while others may depend on your employer or circumstances:
- Health insurance premiums. Your share of premiums for employer-sponsored medical, dental, or vision coverage you elect.
- Retirement contributions (like a 401k). Money you contribute to an employer-sponsored retirement plan. Some employers also make matching contributions based on the terms of their plan. Saving consistently over time may also give your retirement savings more opportunity to benefit from compound growth. Our guide on compound interest explains how compounding works over time.
- Health Savings Account (HSA) or FSA. If offered and applicable, payroll contributions may allow you to set aside money for eligible health care expenses with tax advantages. HSAs and FSAs have different eligibility requirements, contribution rules, and rules for using the funds.
- Other benefits. Depending on your employer and circumstances, your paycheck may include deductions for benefits or workplace programs such as life insurance, disability coverage, or other authorized deductions.
These deductions do not all serve the same purpose. Some help pay for benefits you use today, while others may contribute to retirement savings or other workplace programs. Reviewing each deduction on your pay stub can help you understand what you are paying for and whether it matches the benefits or elections you expect.
A Simple Example
Here is a simplified example of how gross pay can become net pay. Suppose Daniel earns $4,000 in gross pay for the month. His actual deductions would depend on his tax situation, location, benefits, and other circumstances, but we will use the following amounts for illustration:
- Federal income tax withholding: −$480
- State income tax withholding: −$160
- Social Security and Medicare taxes: −$306
- Health insurance premium: −$150
- 401(k) contribution: −$200
$480 + $160 + $306 + $150 + $200 = $1,296 total deductions
$4,000 − $1,296 = Net (take-home) pay: about $2,704
Daniel’s $2,704 take-home pay is lower than his $4,000 gross pay because taxes and other deductions were subtracted from his earnings. In this example, $200 was contributed to his 401(k), while $150 was deducted for his health insurance premium. Looking at each deduction separately makes it easier to understand the difference between gross pay and the amount actually received.
For this example, Daniel could build his monthly budget around his $2,704 take-home pay rather than his $4,000 gross pay. Using the income that actually reaches his household can give him a clearer picture of what is available for expenses, savings, and other financial goals. The 50/30/20 budget rule and our Monthly Budget Calculator can help you organize a budget using your take-home income.
The same principle applies to hourly workers. Suppose Sarah earns $22 per hour and works 80 hours during a two-week pay period:
- Gross pay: $1,760
- Illustrative take-home pay after taxes and other deductions: about $1,350
Hourly workers may be tempted to multiply their hourly rate by the number of hours worked and use that amount for budgeting. However, gross pay does not account for taxes and other deductions. Using your actual take-home pay can give you a more realistic starting point for planning expenses, savings, and other financial goals.
Why Understanding Your Deductions Matters
Understanding what is deducted from your paycheck can help you manage your money in several practical ways:
- You budget with a more realistic number. Building a budget around your take-home pay can give you a clearer picture of the income available for expenses, savings, and other financial goals.
- You can spot possible discrepancies. Reviewing your pay stub regularly can help you notice unexpected changes or deductions. Our Paycheck Calculator can provide an estimate to compare with your take-home pay, but your actual paycheck may differ based on your withholding, benefits, and other deductions.
- You better understand your benefits. Reviewing deductions for retirement contributions, health insurance, and other workplace benefits can help you understand what you are enrolled in and how those choices affect your take-home pay. If your employer offers matching retirement contributions, reviewing the plan rules can also help you understand how the match works.
- You can review your tax withholding. If you regularly owe a significant amount at tax time or receive a larger refund than expected, you may want to review your federal income tax withholding and Form W-4. Changes in income, multiple jobs, dependents, and other tax circumstances can affect how much you may want withheld from your paycheck.
Common Paycheck Mistakes to Avoid
- Budgeting from gross pay. Using your take-home pay as the starting point for your budget can give you a more realistic picture of the income available for expenses, savings, and other financial goals.
- Ignoring your pay stub. Review your pay stub regularly so you understand your earnings and deductions and can spot unexpected changes or possible discrepancies.
- Not reviewing your employer’s 401(k) match. If your employer offers matching retirement contributions, review the plan rules to understand the matching formula, eligibility requirements, and any vesting provisions that may apply.
- Not reviewing your Form W-4 after certain changes. Changes such as getting married, having a child, starting another job, or experiencing a significant change in income may affect your federal income tax withholding. Reviewing your Form W-4 after a major change can help you determine whether your withholding still reflects your circumstances.
What if Your Paycheck Seems Wrong?
If a deduction looks unfamiliar or your take-home pay is different from what you expected, start by reviewing your current pay stub and comparing it with a previous one, if available. Look for changes in:
- Hours worked
- Overtime
- Benefit elections, such as changes to your health insurance coverage
- Retirement contributions
- Tax withholding
A difference in your paycheck may have a straightforward explanation, such as a change in hours, benefits, or withholding. If you still do not understand an amount after reviewing your pay stub, contact your employer’s payroll or human resources department and ask for clarification. If you believe there is an error, keep copies of the relevant pay stubs and any communication about the issue.
Frequently Asked Questions
Why is my paycheck so much smaller than my salary?
The difference between your gross pay and take-home pay generally comes from taxes and other deductions that apply to your paycheck. These may include federal income tax withholding, applicable state or local taxes, Social Security and Medicare taxes, health insurance premiums, retirement contributions, and other deductions.
What does FICA mean on my pay stub?
FICA stands for the Federal Insurance Contributions Act. FICA taxes include Social Security and Medicare taxes that are generally withheld from employees’ covered wages. Social Security tax applies up to an annual wage limit, while Medicare tax generally applies to all covered wages. Additional Medicare Tax may also apply to employee wages above certain thresholds.
Should I budget with gross or net pay?
For most everyday budgeting, take-home pay can provide a more practical starting point because it reflects the amount you actually receive after taxes and other deductions. Using your net pay can help you plan expenses, savings, and other financial goals based on the income available to your household.
Are all paycheck deductions bad?
No. Paycheck deductions serve different purposes. Some are required taxes, while others may pay for benefits you elected, such as health insurance, or contribute to an employer-sponsored retirement plan. Reviewing your pay stub can help you understand what each deduction is for and how it affects your take-home pay.
Why does my paycheck change from week to week?
Your take-home pay can change when your earnings or deductions change. Common reasons include different hours worked, overtime, bonuses or commissions, changes to benefits or retirement contributions, and changes in tax withholding. Comparing your current pay stub with a previous one can help you identify what changed.
The Bottom Line
Paycheck deductions can include taxes, benefit costs, retirement contributions, and other amounts that apply to your circumstances. Understanding the difference between gross and net pay, along with what each deduction represents, can make your pay stub easier to understand. Reviewing your deductions regularly can also help you plan a budget based on the income you actually receive and notice unexpected changes in your paycheck.
Want to estimate your take-home pay? Try our free Paycheck Calculator to see how taxes and other deductions may affect the amount you receive.
Related Resources
Calculator:
Articles:
- The 50/30/20 Budget Rule Explained
- How Much Emergency Fund Should You Actually Have?
- What Is Compound Interest? (And How It Grows Your Money)
Sources & References
This article was reviewed using official U.S. government guidance on federal income tax withholding, Social Security and Medicare taxes, Form W-4, employee retirement plans, health savings accounts, and other benefit deductions that can affect take-home pay.
- IRS Publication 15 (Circular E), Employer’s Tax Guide
- IRS — Tax Withholding and Form W-4
- IRS Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans
- IRS — 401(k) Plan Overview
About Everyday Money Tools
Everyday Money Tools provides simple, free calculators and easy-to-understand guides to help you manage your money with confidence. From budgeting and saving to paying off debt and understanding your paycheck, our tools and articles are designed to make everyday financial decisions clearer and less stressful.
This article provides general educational information about paycheck deductions and is not individualized financial or tax advice. Tax withholding, benefits, and other payroll deductions can vary based on your circumstances. Information was reviewed September 18, 2026, using guidance from the IRS and Social Security Administration.

Victoria Hart is the writer behind Everyday Money Tools. She spent 8 years working for the IRS and 3 years preparing people’s taxes, giving her a real look at how money works for everyday families. But her most important lessons came from her own life as a single mom of three. She rebuilt her finances through some genuinely hard seasons, learning how to stretch a tight income, budget carefully, and find her footing again. Today she builds free financial calculators and writes clear, practical money guides to help others do the same.
