Payroll Glossary

40+ common U.S. payroll and paycheck terms, in plain English. Skim the list or search with Ctrl/⌘+F.

Gross pay
Total earnings before any taxes or deductions are withheld.
Net pay
The amount actually deposited to your account after taxes and deductions — also called 'take-home pay'.
FICA
The Federal Insurance Contributions Act, covering Social Security (6.2%) and Medicare (1.45%) taxes on wages.
Social Security tax
6.2% federal payroll tax on wages up to a $184,500 wage base (2026). Funds retirement, disability, and survivor benefits.
Medicare tax
1.45% federal payroll tax on all wages, plus 0.9% Additional Medicare on wages over $200,000 (single).
FUTA
Federal Unemployment Tax Act — a 6% employer-only tax on the first $7,000 of each employee's wages, mostly offset by state UI credits.
SUTA
State Unemployment Tax — paid by employers to fund state unemployment benefits. Not withheld from employee paychecks.
Withholding
The portion of your wages your employer sends directly to the IRS and state on your behalf.
W-4
IRS Form W-4 — the certificate employees complete to tell employers how much federal income tax to withhold.
W-2
IRS Form W-2 — the year-end statement showing total wages, tax withheld, and pre-tax benefits.
1099-NEC
IRS form issued to independent contractors reporting non-employee compensation of $600 or more.
Pre-tax deduction
Money taken from gross pay before income taxes are calculated — reduces taxable wages (e.g., 401(k), health premiums).
Post-tax deduction
Money taken from net pay after taxes (e.g., Roth 401(k), garnishments, union dues).
401(k)
Employer-sponsored retirement plan. Traditional contributions reduce current-year federal taxable income; Roth contributions don't but grow tax-free.
HSA
Health Savings Account for high-deductible health plans. Triple-tax-advantaged: pre-tax in, tax-free growth, tax-free withdrawals for medical expenses.
FSA
Flexible Spending Account — pre-tax dollars for medical or dependent-care expenses; 'use it or lose it' by plan year.
Section 125 plan
IRS section allowing employees to pay for certain benefits (health, dental, vision) with pre-tax dollars via a cafeteria plan.
Standard deduction
Flat federal deduction that reduces taxable income — $16,100 single / $30,000 joint / $22,500 head of household in 2026.
Itemized deductions
Alternative to standard deduction — listing specific deductible expenses like mortgage interest, SALT (capped), and charity.
Marginal tax rate
The tax rate on the last dollar you earn. Not your total tax rate.
Effective tax rate
Total tax divided by total income — always lower than the marginal rate in a progressive system.
Filing status
Your tax category: single, married filing jointly, married filing separately, head of household, or qualifying surviving spouse.
Head of household
Filing status for unmarried taxpayers who pay more than half the cost of keeping up a home for a qualifying person.
Exempt vs non-exempt
Non-exempt employees receive FLSA overtime for hours over 40/week; exempt employees typically do not.
FLSA
Fair Labor Standards Act — federal law setting minimum wage, overtime, and youth employment rules.
Overtime
Pay at 1.5x regular rate for hours over 40/week under federal FLSA. Some states require daily overtime too (e.g., California).
Pay period
The window of time you're being paid for — weekly, bi-weekly, semi-monthly, or monthly.
Pay frequency
How often you're paid. 26 bi-weekly checks vs 24 semi-monthly checks produce slightly different per-check math.
Wage base
The maximum earnings subject to a payroll tax. Social Security's is $184,500 in 2026; Medicare has none.
Additional Medicare Tax
Extra 0.9% Medicare withholding on wages over $200,000 (single) / $250,000 (joint).
Cafeteria plan
Another name for a Section 125 plan — lets employees choose from a menu of pre-tax benefits.
Imputed income
Non-cash benefits (e.g., group-term life > $50k) that are taxable and added to your W-2 wages.
Garnishment
Court-ordered withholding for child support, tax debts, or private judgments.
Local wage tax
Municipal or county income tax withheld on top of state tax. Common in Ohio, Pennsylvania, Kentucky, Maryland, and NYC.
Reciprocity
Agreement between two states that lets a resident of one work in the other without owing tax to the work state.
State disability insurance (SDI)
Employee-paid payroll tax in a few states (CA, HI, NJ, NY, RI) funding short-term disability benefits.
Paid Family Leave (PFL)
Employee-paid payroll contributions in states like NY, NJ, CA, and WA that fund paid family leave benefits.
Bonus tax rate
The IRS supplemental wage rate — 22% for bonuses under $1M, 37% above. It's a withholding rate, not a final tax rate.
Tip credit
In some states, tipped workers can be paid a lower cash minimum wage as long as tips bring them to the full minimum.
Take-home pay
See 'Net pay' — what actually reaches your bank account.