Quick Answer: Your pay stub shows two key numbers: gross pay (what you earned before anything is taken out) and net pay (what actually hits your bank account). The difference is deductions — federal tax, state tax, Social Security (6.2%), Medicare (1.45%), health insurance, and retirement contributions. Understanding your pay stub takes 5 minutes and helps you catch errors, optimize your tax withholding, and understand exactly where 25% to 35% of your paycheck goes before you see it.
How to Read Your Pay Stub: What Every Number Means (And Why It Matters)
Then one day I actually opened the thing. And I was shocked by two discoveries. First, I was paying $180 per month for a dental insurance plan I never used (I did not even have a dentist). Second, I was contributing only 2% to my 401(k) when my employer matched up to 6%. I was literally leaving $1,680 per year in free money on the table because I never looked at my pay stub.
Those two fixes — dropping the unused dental plan and increasing my 401(k) to get the full match — changed my financial trajectory by over $3,000 per year. Five minutes of reading a document I had been ignoring for three years.
The Two Numbers That Matter Most
Every pay stub has dozens of numbers, but only two define your financial reality:Gross Pay: The total amount you earned before anything is taken out. This is the number on your job offer letter. It is also the number that has almost nothing to do with your actual life because you never see it.
Net Pay: The amount deposited into your bank account after all deductions. This is your real money. The money you actually live on. Every budget should be built on net pay, not gross pay.
| Annual Salary | Gross Per Paycheck (Biweekly) | Approximate Deductions | Net Pay (What You Get) |
|---|---|---|---|
| $40,000 | $1,538 | $380 to $480 | $1,060 to $1,160 |
| $55,000 | $2,115 | $530 to $680 | $1,435 to $1,585 |
| $75,000 | $2,885 | $750 to $950 | $1,935 to $2,135 |
Every Deduction Explained
Federal Income Tax
This is the largest deduction for most people. The amount withheld depends on your W-4 form — specifically your filing status, number of dependents, and any additional withholding you selected.The US uses a marginal tax system, which means different portions of your income are taxed at different rates:
| 2026 Tax Bracket (Single) | Income Range |
|---|---|
| 10% | $0 to $11,925 |
| 12% | $11,926 to $48,475 |
| 22% | $48,476 to $103,350 |
| 24% | $103,351 to $197,300 |
| 32% | $197,301 to $250,525 |
State Income Tax
If you live in a state with income tax, this is a separate deduction. Rates vary from about 1% to over 13% depending on your state. Seven states have no income tax at all: Texas, Florida, Nevada, Wyoming, South Dakota, Alaska, and Washington. If you live in one of these states, this line will not appear on your stub.Social Security Tax (FICA — OASDI)
Your pay stub may label this as "FICA," "OASDI," or "Social Security." It is 6.2% of your gross pay, up to the annual wage cap ($176,100 in 2026). Your employer pays an additional 6.2% on top of what you pay.On a $55,000 salary, you pay $3,410 per year or about $131 per biweekly paycheck toward Social Security. This funds your future Social Security retirement benefits.
Medicare Tax
Medicare is 1.45% of all gross pay with no income cap. On $55,000, that is $798 per year or about $31 per biweekly paycheck. If you earn over $200,000, an additional 0.9% Medicare surtax kicks in on income above that threshold.Combined, Social Security and Medicare take 7.65% of every paycheck. On a $55,000 salary, that is $4,208 per year you will never see but which funds your retirement and healthcare benefits.
Health Insurance Premium
If your employer offers health insurance and you enrolled, your share of the premium is deducted pre-tax (before taxes are calculated, which actually reduces your tax bill slightly). Typical employee contributions range from $50 to $300 per biweekly paycheck depending on the plan and whether you have individual or family coverage.Check this number annually during open enrollment. Many people sign up for a plan when hired and never revisit it. Your needs change. Plan costs change. Reviewing during open enrollment can save hundreds per year.
Retirement Contributions (401(k), 403(b))
If you contribute to a 401(k), the amount is deducted from your paycheck. Traditional 401(k) contributions are pre-tax (reducing your taxable income now). Roth 401(k) contributions are after-tax (no tax break now, but withdrawals in retirement are tax-free).The 2026 contribution limit is $24,500 (or $32,500 if you are 50 or older). If your employer matches contributions, you need to contribute at least enough to get the full match. An employer that matches 50% of contributions up to 6% of salary is giving you free money. Not contributing enough to get the match is the single most expensive mistake on any pay stub.
On a $55,000 salary with 6% contribution: $3,300/year deducted from your pay, plus $1,650 in free employer match money. That match is an instant 50% return before the money is even invested.
HSA Contributions
If you have a high-deductible health plan and contribute to a Health Savings Account, those contributions are deducted pre-tax. The 2026 limits are $4,400 for individual coverage and $8,750 for family coverage. HSA contributions reduce your taxable income, grow tax-free, and can be withdrawn tax-free for medical expenses — the only account with all three tax benefits.
Other Common Deductions
| Deduction | What It Is | Pre-Tax or Post-Tax |
|---|---|---|
| Dental insurance | Your share of dental plan premium | Pre-tax |
| Vision insurance | Your share of vision plan premium | Pre-tax |
| Life insurance | Employer-provided or supplemental life insurance | Varies |
| FSA (Flexible Spending Account) | Pre-tax money for medical or dependent care expenses | Pre-tax |
| Union dues | If you are in a union | Post-tax |
| Wage garnishment | Court-ordered deductions for child support, back taxes, or defaulted loans | Post-tax |
A Real Pay Stub Example
Here is what a pay stub looks like for someone earning $55,000 per year, paid biweekly, single, contributing 6% to a 401(k), with individual health insurance:| Line Item | This Paycheck | Year-to-Date |
|---|---|---|
| Gross Pay | $2,115.38 | $27,500.00 |
| Federal income tax | -$198.00 | -$2,574.00 |
| State income tax | -$85.00 | -$1,105.00 |
| Social Security (6.2%) | -$131.15 | -$1,705.00 |
| Medicare (1.45%) | -$30.67 | -$398.75 |
| 401(k) contribution (6%) | -$126.92 | -$1,650.00 |
| Health insurance | -$95.00 | -$1,235.00 |
| Dental insurance | -$15.00 | -$195.00 |
| NET PAY | $1,433.64 | $18,637.25 |
5 Things to Check on Every Pay Stub
- 1. Verify your gross pay matches your salary. Divide your annual salary by 26 (biweekly) or 24 (semi-monthly). If the number does not match, ask HR immediately. Payroll errors happen more often than you think.
- 2. Check your 401(k) contribution percentage. Make sure it is high enough to get your full employer match. If your employer matches 50% up to 6% and you are contributing less than 6%, you are losing free money every paycheck.
- 3. Review your health insurance deduction. Are you paying for coverage you do not use? During open enrollment, compare your current plan usage against what you are paying. Switching plans can save $50 to $200 per month.
- 4. Look at your federal withholding. If you got a huge tax refund last year (over $500), your withholding is too high. If you owed money, it is too low. Use the IRS Tax Withholding Estimator to recalibrate. See how to fill out your W-4.
- 5. Check the year-to-date totals. These show how much you have earned and paid in taxes and benefits for the entire year. They should match your W-2 at the end of the year. Catching errors early is easier than fixing them in January.
How to Use Your Pay Stub to Build a Budget
Your pay stub is the starting point of every budget. Here is how to connect it to the 50/30/20 rule:Step 1: Find your net pay (the bottom line — what hits your bank account).
Step 2: Multiply by the number of paychecks per month (2 for biweekly in most months, 2 for semi-monthly).
Step 3: Apply 50/30/20 to that monthly net number.
Using our example: $1,434 × 2 = $2,868 monthly net pay.
| Category | Percentage | Monthly Amount |
|---|---|---|
| Needs | 50% | $1,434 |
| Wants | 30% | $860 |
| Savings and debt payoff | 20% | $574 |
Frequently Asked Questions About Pay Stubs
What is the difference between gross pay and net pay?Gross pay is your total earnings before any deductions. Net pay is what actually gets deposited into your bank account after federal tax, state tax, Social Security, Medicare, insurance premiums, and retirement contributions are subtracted. Net pay is typically 65% to 75% of gross pay.
Why is my paycheck so much less than my salary?
Because 25% to 35% is deducted before you see it. Federal income tax, state tax, Social Security (6.2%), Medicare (1.45%), health insurance, and retirement contributions all come out first. A $55,000 salary results in roughly $1,434 per biweekly paycheck, not the $2,115 gross amount.
What does FICA mean on my pay stub?
FICA stands for Federal Insurance Contributions Act. It is the combined Social Security (6.2%) and Medicare (1.45%) taxes totaling 7.65% of your gross pay. Your employer pays an additional 7.65% that does not appear on your stub. FICA funds Social Security retirement benefits and Medicare health coverage.
Should I check my pay stub every time I get paid?
Check it thoroughly when you start a new job, after any changes (raise, new benefits, W-4 update), and at least once per quarter. Payroll errors happen and catching them early is much easier than fixing them months later. A quick glance at net pay each paycheck is also smart to confirm the right amount was deposited.
How do I increase my take-home pay without a raise?
Adjust your W-4 if you are overwithholding (getting large tax refunds). Drop insurance plans you do not use. Switch to a high-deductible health plan with an HSA if it makes sense for your medical usage. Each of these can add $50 to $200 per month to your net pay without your salary changing.
What is the year-to-date column on my pay stub?
It shows the cumulative total of your earnings and deductions for the entire calendar year. These numbers should match your W-2 at year end. Checking year-to-date totals periodically helps you catch errors, track 401(k) contributions toward the annual limit, and estimate your tax situation before filing season.
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