What withholding, W-4s, brackets, and deductions actually mean — explained for the payslip you are about to receive rather than for an accountant.
Nearly every student's first encounter with the tax system is the same: they work a number of hours, multiply by their hourly rate, and then receive noticeably less than that. Nothing has gone wrong. This page explains exactly where the difference goes, and what you control.
Gross pay is hours multiplied by rate — the number in the job advert. Net pay is what lands in your account. The gap is made up of amounts your employer is legally required to withhold and send onward on your behalf.
On a typical U.S. student payslip you will see some or all of:
Federal and state income tax withheld is an estimate. FICA is not. That distinction is why some of what is taken can come back to you and some of it never will.
On your first day you will be handed a Form W-4. It is not a tax return — it is instructions to your employer about how much to withhold. Fill it in carelessly and your withholding will be wrong all year in one direction or the other.
Two things to understand. First, if you expect to earn less than the standard deduction for the year, you may be able to claim exemption from federal income tax withholding entirely — meaning your paycheck is larger and you are not lending the government money interest-free for twelve months. Second, if a parent still claims you as a dependent, that affects what you should put down, so ask them before you file it.
This page is education, not tax advice. Thresholds and rates change every year, and your situation may not be typical. Check the current figures on irs.gov, and ask a parent or a tax professional about anything specific to you.
You are not taxed on every dollar you earn. The standard deduction is an amount subtracted from your income before any tax is calculated. For most students earning a part-time or summer wage, total earnings fall at or below that deduction — which means their federal income tax liability for the year is zero, and anything withheld comes back as a refund when they file.
This is the single most valuable thing a first-time earner can know: if tax was withheld and you owed nothing, you only get it back if you file a return. Filing is free at that income level and generally takes under an hour.
Almost everyone believes that entering a higher bracket taxes all of your income at the higher rate. It does not. The U.S. uses marginal rates: each bracket applies only to the portion of income that falls inside it.
Suppose, with illustrative numbers, that the first $11,000 of taxable income is taxed at 10% and income from $11,001 to $44,000 at 12%. Someone with $20,000 of taxable income does not pay 12% on $20,000. They pay 10% on the first $11,000 and 12% only on the $9,000 above it. Their marginal rate is 12%; their effective rate is closer to 11%.
This matters practically because it means a raise, a bonus, or extra shifts can never leave you worse off. The extra dollars are taxed more heavily than your first dollars; they are never taxed retroactively.
If you are an employee, you get a W-2 and your employer withholds tax for you. If you are paid as an independent contractor — tutoring, babysitting, lifeguarding for yourself, freelance design — you may get a 1099, or nothing at all, and nothing is withheld.
That difference catches people out badly. Contractor income arrives whole and the tax on it is still owed later — including self-employment tax, which is both halves of FICA rather than just yours. If you earn contractor income, set aside a share of every payment the day it arrives. Treating it as spendable is how people end up owing money they no longer have.
Taxes are the second of our four pillars. Continue with investing basics, or go back to budgeting — which is where knowing your net pay becomes useful. We teach this in person, free, at our events.