First Paycheck Explained: Gross vs Net Pay for Teens

Your first paycheck almost never matches the number you expected, and the reason is gross vs net pay. Gross pay is what your hours earned at your hourly rate. Net pay, your take-home, is what is left after a few deductions come out, and on a first paycheck that gap can be a genuine shock. If you just earned a check that reads smaller than the math in your head, you are not being underpaid. You are meeting the difference between what a job promises and what it actually deposits, for the first time.

That gap is one of the most useful money lessons of the teen years, and it lands best the moment the first real check arrives. This guide explains exactly what comes out of a paycheck and why, which deductions are fixed and which are estimates you may get back, and how to turn the smaller take-home number into a plan. There is an interactive pay-stub breakdown below so you can plug in your own wage and hours and watch the subtraction happen. (Parents, read on too: everything here is written so you and your teen can work through it side by side.)

Why your take-home pay is smaller than your hourly rate

Four things come out of a typical first paycheck, in this order. Everything else (retirement contributions, health insurance) almost never shows up on your first part-time job.

1. Social Security is 6.2% of your gross pay. It is fixed by law and not refundable.
2. Medicare is 1.45% of your gross pay. Also fixed, also not refundable. Together with Social Security this is called FICA, and it adds up to 7.65%.
3. Federal income tax withholding is an estimate based on the W-4 form you filled out when you were hired. It is often refunded when you file.
4. State income tax depends on where you live. Nine states take none at all.

Here is the same idea with real numbers. Say you earn $15 an hour and work 20 hours in a pay period. Your gross pay is $300. Social Security takes $18.60 and Medicare takes $4.35. With a typical federal withholding estimate of about 10% and a state income tax of around 4%, another $42 comes out. Your net take-home lands near $235, which is about 78% of what you earned. The wage promise was real. The take-home is just a different, smaller number, and now you know where the rest went.

The exact percentages move with your W-4, your state, and how often you are paid, which is why the breakdown above lets you enter your own numbers instead of trusting one example. But the shape holds for almost every first job: a fixed chunk for FICA, a variable chunk for income tax withholding, and a take-home figure that is meaningfully smaller than gross.

Gross pay vs net pay, line by line

Reading a pay stub gets a lot less intimidating once you know that the deductions fall into two very different groups. One group is fixed and gone; the other is an estimate you might get back. Mixing them up is the single most common reason a first stub feels like a mystery.

The fixed group is FICA. Social Security at 6.2% and Medicare at 1.45% come out of every paycheck at the same rate, no matter what you wrote on your W-4, and they are not refundable. They fund retirement and health programs you pay into now and draw on much later. The IRS lists the exact rates on its Topic 751 page, and the only wrinkle (a cap on the Social Security portion at a six-figure income) is one no teen part-timer will ever hit.

The estimate group is income tax withholding, and this is where most teens are quietly leaving money on the table. Withholding is a prepayment toward the income tax you might owe for the year. It is not your final tax bill. A dependent who earns wages under the standard deduction (roughly $14,000 and up, set each year) usually owes no federal income tax at all, which the IRS explains in Publication 501. If your employer withheld federal tax anyway, filing a simple return is how you get it back. So the right way to read a stub is: the FICA lines are the real cost of the paycheck, and the withholding lines are a placeholder that often comes home in the spring.

Will you get that withheld money back?

This is the question almost every teen asks the second they understand the gap, and it is a great one to sit with, because the answer is genuinely encouraging. The short version: the FICA money is gone for good, but a lot of the income tax withholding usually comes back.

Here is why. Income tax is calculated on your whole year, not on a single paycheck, and you only owe it on income above the standard deduction. If you work a summer or part-time job, you often earn less than that threshold across the whole year, which means your actual federal income tax owed can be zero. But the employer still has to withhold something from each check based on the W-4. When the year ends and the math is done, the government returns the difference. That difference is a tax refund, and for a first-job earner it can be most or all of the federal tax that was withheld.

The catch is that the refund does not happen automatically. You have to file a tax return to claim it, even a very simple one. For a lot of teens this is the first time filing is worth doing purely for the refund, and it is a quietly great first experience of the tax system: you do a little paperwork, and money you already earned comes back. FICA, to be clear, does not work this way. Those Social Security and Medicare dollars are not refunded; they are what you paid into the system this year.

Budgeting your real take-home pay

Once you know your net number, the move that actually builds the habit is simple: budget the take-home, not the gross. Planning around the bigger gross figure is how a paycheck disappears, because the plan assumes money that was never going to land in the account.

The simplest version is the same three-way split that works at every younger age, scaled up to a real wage. Decide once what share of each paycheck goes to save, spend, and give, and route it the day the money arrives instead of with whatever is left over. In Sprout Saver, a payday can split automatically into those three jars, and the Save jar can go into the Vault, which locks it for a set number of days so a slow-building total does not get raided for a late-night impulse. A named Goal, the thing the saving is actually for, keeps the plan from feeling like deprivation.

The three lessons below build this directly, from reading the stub to running a first monthly plan on real income. Pair them with the first real paycheck.

A first paycheck usually arrives by direct deposit, which raises its own question: are you ready for a bank account and card of your own? Our debit-card readiness checklist walks through the signals worth checking first, and it is a good one for a parent and teen to run together. For the wider arc of what each age is ready for, the teaching kids about money by age guide puts the paycheck in context, and if the check is arriving because a job search just paid off, our summer job ideas for teens guide covers the part that comes first. The allowance meets a real paycheck post picks up the harder question of whether allowance should continue once real income starts.

Cash jobs and 1099 work change the math

Everything above assumes a W-2 job, the kind with an employer, a pay stub, and taxes already taken out. A lot of first earning does not look like that, and the difference matters.

Babysitting, mowing lawns, pet sitting, and most casual gigs are usually paid in cash, with nothing withheld. That feels simpler, and in the moment it is, but it can flip the lesson: instead of getting a refund, you may actually owe a little at tax time if you earn enough from gig work, because no one prepaid it for you. The same is true of work paid on a 1099 instead of a W-2. The honest move is to treat some of that cash as not entirely yours yet, and to keep a rough record of what came in. For most teens the amounts are small enough that nothing is owed, but the habit of tracking it is the point.

Two more situations are worth naming. If you work two jobs, you can have too little withheld across the pair, because each employer only sees its own slice, so the combined paycheck math is worth a look. And tipped work, where part of the pay arrives as cash tips, counts as income too, even the cash part. None of this is a reason to avoid the work. It is just a reason to know which kind of paycheck you are holding, because the rules behind it are not the same.

Questions parents and teens ask about a first paycheck