Plain-English definitions of U.S. personal finance terms. Every entry has an example, related terms and a link to an official source.
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- 401(k) plan
A workplace retirement savings plan that lets employees save part of each paycheck, often with an employer match; the 2026 limit is $24,500.
A
- ACH transfer
An electronic bank-to-bank payment sent through the Automated Clearing House network, used for payroll, bill pay and transfers.
- Adjustable-rate mortgage (ARM)
A home loan with a rate that is fixed for a first period and then changes at set intervals based on a market index.
- Adjusted gross income (AGI)
Your total income for the year minus certain adjustments, such as traditional IRA contributions or student loan interest.
- Affiliate link disclosure
If you earn a commission when people buy through your links, the FTC expects you to say so clearly near the link or recommendation.
- Amortization
Paying off a loan with regular equal payments that cover interest first and gradually reduce the principal to zero.
- Annual gift tax exclusion
The amount you can give each person per year without filing a gift tax return; it is $19,000 per recipient for 2026.
- Annual percentage rate (APR)
The yearly cost of borrowing, including the interest rate and certain fees, shown as a percentage so loans can be compared.
- Annual percentage yield (APY)
The yearly rate a deposit account earns, including the effect of compounding, so you can compare savings accounts and CDs fairly.
- Annuity
A contract with an insurance company that turns money into a stream of payments, now or later, sometimes for life.
- Authorized user
A person allowed to use someone else's credit card account who is not legally responsible for paying the debt.
- Auto loan
A loan to buy a car that is secured by the vehicle, so the lender can repossess it if you do not pay.
B
- Backup withholding
Federal income tax a payer must withhold at 24% from some payments, for example when you do not give a correct taxpayer identification number.
- Balance transfer
Moving debt from one credit card to another, often to use a lower promotional rate, usually for a fee.
- Bartering income
Goods or services you receive in exchange for your own goods or services are taxable income at their fair market value, like free products for a sponsored post.
- Bond
A loan you make to a government or company that pays interest and returns the face value at maturity, if the issuer does not default.
- Budget
A plan for how you will use your income each month, listing money coming in and money going out.
- Business expense deduction
Costs of running a business that are ordinary and necessary for it can be subtracted from business income, lowering the profit that is taxed.
- Buy now, pay later (BNPL)
A short-term loan at checkout that splits a purchase into a few payments, often four payments over six weeks.
C
- Capital gains tax
Tax on the profit from selling an asset such as stock, crypto or property; assets held over a year get lower rates.
- Car lease
A long-term rental of a vehicle for a set period and mileage limit, after which you return it or buy it.
- Catch-up contribution
Extra retirement savings allowed for people 50 and older above the normal limits; for 2026 it is $8,000 in a 401(k) and $1,100 in an IRA.
- Certificate of deposit (CD)
A savings deposit that pays a fixed rate if you leave the money in the bank for a set term, such as 6 months or 5 years.
- Charge-off
When a lender writes off a debt as unlikely to be collected, usually after months of missed payments; you still owe it.
- Checking account
A bank or credit union account for everyday money: paychecks go in, and bills, card purchases and transfers come out.
- Child tax credit
A federal credit of up to $2,200 per qualifying child under 17 for 2026, with up to $1,700 of it refundable.
- Closing costs
Fees and charges paid when a home loan is finalized, such as lender fees, appraisal, title insurance, recording fees and prepaid items.
- Closing Disclosure
A five-page form showing your final mortgage terms and closing costs, which you must receive at least three business days before closing.
- COBRA continuation coverage
A federal right to keep your employer's group health plan for a limited time after leaving a job or other events, usually at full cost.
- Compound interest
Interest earned on both your original money and the interest it has already earned, so growth speeds up over time.
- Conventional loan
A mortgage that is not insured or guaranteed by a federal agency; many follow Fannie Mae and Freddie Mac rules.
- Copyright
The legal right of the creator of an original work, such as a video, song, photo or text, to control copying and use; it exists as soon as the work is fixed.
- Cosigner
A person who signs a loan with the borrower and is fully responsible for repaying it if the borrower does not.
- Cost basis
What you paid for an investment or property, plus certain costs, used to figure your gain or loss when you sell.
- Cost-of-living adjustment (COLA)
The yearly increase in Social Security and SSI payments to keep up with inflation; it was 2.8% for 2026.
- Credit card
A card that lets you borrow up to a set limit and pay later; unpaid balances are charged interest.
- Credit card billing error dispute
Your federal right to challenge a wrong charge on a credit card statement, in writing, within 60 days of the statement.
- Credit freeze
A free lock on your credit report that stops most new lenders from seeing it, which makes it harder to open accounts in your name.
- Credit report
A record of your credit accounts and payment history kept by credit reporting companies and used to calculate credit scores.
- Credit score
A three-digit number, usually from 300 to 850, that estimates how likely you are to repay borrowed money on time.
- Credit union
A not-for-profit financial cooperative owned by its members that offers accounts, loans and cards, often with lower fees.
- Credit utilization
The share of your available credit card limits that you are using, a major factor in most credit scores.
D
- Debit card
A card linked to your checking account that takes money directly from your balance when you pay or withdraw cash.
- Debt collector
A person or company that collects debts owed to someone else; federal law limits how and when they can contact you.
- Debt consolidation
Combining several debts into one new loan or card, ideally with a lower rate or a single payment that is easier to manage.
- Debt-to-income ratio (DTI)
Your monthly debt payments divided by your gross monthly income, used by lenders to judge whether you can afford a new loan.
- Deductible
The amount you pay for covered services or a claim before your insurance starts to pay.
- Delayed retirement credits
Increases to your Social Security retirement benefit for each month you wait past full retirement age, up to age 70.
- Dependent
A qualifying child or relative you support who can be claimed on your tax return, which can open credits and a better filing status.
- Depreciation
Spreading the cost of business property, such as equipment, vehicles or buildings, over several years as a tax deduction.
- Direct deposit
An electronic payment that sends money such as your paycheck, tax refund or benefits straight into your bank account.
- Discount points
Fees paid at closing to lower a mortgage interest rate; one point equals 1% of the loan amount.
- Diversification
Spreading money across different investments so a loss in one is less likely to hurt the whole portfolio.
- Dividend
A payment a company or fund makes to shareholders, usually in cash, from its profits or income.
- Down payment
The part of a home or car price you pay up front in cash; the rest is usually financed with a loan.
E
- Early withdrawal penalty (10% additional tax)
A 10% additional tax on most retirement account withdrawals taken before age 59 1/2, on top of regular income tax.
- Earned income tax credit (EITC)
A refundable federal credit for workers with low to moderate income; for 2026 the maximum is $8,231 for families with three or more children.
- Emergency fund
Money set aside for unexpected costs such as a car repair, medical bill or job loss, kept somewhere easy to reach.
- Employer identification number (EIN)
A nine-digit number the IRS assigns to businesses and other entities for tax filing, free of charge.
- Employer match
Money an employer adds to your workplace retirement account based on how much you contribute.
- Endorsement disclosure
Under FTC guidance, influencers must clearly disclose when a brand pays them, gives them free products or has another connection, in the post or video itself.
- Equal Credit Opportunity Act (ECOA)
A federal law that bans credit discrimination based on race, color, religion, national origin, sex, marital status, age and public assistance income.
- Escrow account
An account your mortgage servicer uses to collect part of each payment and pay your property taxes and homeowners insurance.
- Estate tax
A federal tax on the transfer of a person's property at death, owed only on estates above the basic exclusion of $15,000,000 for 2026.
- Estimated taxes
Quarterly tax payments people make on income that has no withholding, such as self-employment, rental or investment income.
- Exchange rate
The price of one currency in another, such as how many Mexican pesos or Philippine pesos one U.S. dollar buys.
- Exchange-traded fund (ETF)
A fund that holds a basket of investments, like a mutual fund, but trades on an exchange throughout the day like a stock.
F
- Fair use
A U.S. legal doctrine that allows limited use of copyrighted material without permission in some cases, such as commentary, criticism or teaching.
- FBAR (Report of Foreign Bank and Financial Accounts)
A yearly report, FinCEN Form 114, required when U.S. persons have foreign accounts totaling more than $10,000 at any time during the year.
- FDIC insurance
Federal protection for deposits at insured banks, standard coverage of $250,000 per depositor, per bank, per ownership category.
- Federal student loans
Loans for college or career school from the U.S. Department of Education, with fixed rates and protections private loans may not have.
- FHA loan
A mortgage insured by the Federal Housing Administration that allows lower down payments and credit scores than many other loans.
- FICA (Social Security and Medicare taxes)
Payroll taxes for Social Security and Medicare: employees pay 7.65% of wages and employers match it.
- Filing status
The category you file your tax return under, such as single or married filing jointly, which sets your brackets and standard deduction.
- Fixed-rate mortgage
A home loan whose interest rate, and principal-and-interest payment, stay the same for the whole term, usually 15 or 30 years.
- Flexible spending account (FSA)
An employer account where you set aside pre-tax pay for medical or dependent care costs; the 2026 health FSA limit is $3,400.
- Foreclosure
The legal process a lender uses to take and sell a home after the borrower falls far behind on mortgage payments.
- Form 1040
The main U.S. individual income tax return that most residents file each year to report income, deductions, credits and tax.
- Form 1042-S
The IRS form a U.S. payer sends to a foreign person showing U.S.-source income paid and any U.S. tax withheld during the year.
- Form 1099-K
A form that reports payments you received through card processors and payment apps or online marketplaces for goods and services.
- Form 1099-NEC
The form a business uses to report payments to independent contractors; for payments made in 2026 the threshold is generally $2,000.
- Form W-2
The yearly wage and tax statement your employer sends you and the government, showing pay and taxes withheld.
- Form W-4
The IRS form you give your employer to tell them how much federal income tax to withhold from your pay.
- Form W-8BEN
The IRS form a person who is not a U.S. citizen or resident gives to a U.S. payer to confirm foreign status and, where a tax treaty allows, claim a lower withholding rate.
- Form W-9
The IRS form a U.S. person gives to a business that pays them, so it has their correct taxpayer identification number for reporting the payments.
- Full retirement age (FRA)
The age at which you can get your full Social Security retirement benefit; it is 67 for anyone born in 1960 or later.
- FUTA (federal unemployment tax)
A federal tax employers pay, not employees, of 6.0% on the first $7,000 of each worker's wages, usually reduced to 0.6% by a state credit.
G
- Gig economy
Work done for money through apps and websites, such as ride-sharing, delivery, freelancing or selling online; the income is taxable even without a tax form.
- Grace period (credit card)
The time between the end of a billing cycle and the due date when you can pay the full balance without interest on purchases.
H
- Hard inquiry
A check of your credit report that happens when you apply for new credit; it can lower your score slightly for a short time.
- Health savings account (HSA)
A tax-advantaged account for medical costs, available with a qualifying high-deductible health plan; 2026 limits are $4,400 self-only and $8,750 family.
- Hobby income
Money from an activity you do mainly for fun rather than to make a profit; it must still be reported, but a hobby loss cannot reduce other income.
- Home equity
The part of your home's value that you own outright: its market value minus what you still owe on it.
- Home equity line of credit (HELOC)
A revolving line of credit secured by your home, which you can draw on as needed up to a limit, usually at a variable rate.
- Home office deduction
Self-employed people may deduct part of their home costs if they use part of the home regularly and only for business, or $5 per square foot up to 300 square feet.
- Homeowners insurance
A policy that covers damage to your home and belongings and your liability to others, subject to limits and exclusions.
I
- I bond
A U.S. savings bond whose rate combines a fixed rate and an inflation rate that resets every six months; the limit is $10,000 a year in electronic bonds.
- Identity theft
When someone uses your personal information, such as your name or Social Security number, to open accounts, file taxes or get benefits.
- Imposter scams
Frauds where someone pretends to be a government agency, a business, a relative or a romantic interest to get your money or information.
- Income-driven repayment (IDR)
Federal student loan plans that set your monthly payment based on your income and family size, with any remaining balance forgiven after many years.
- Independent contractor
A self-employed worker who controls how a job is done and is paid without tax withholding, unlike an employee.
- Index fund
A mutual fund or ETF that tries to match the performance of a market index by holding the same investments.
- Inflation
The general rise in prices over time, which means each dollar buys a little less than before.
- Interest rate
The percentage a lender charges you each year for borrowing money, or a bank pays you for keeping money on deposit.
- IRMAA (income-related monthly adjustment amount)
An extra charge added to Medicare Part B and Part D premiums for people with higher incomes, based on their tax return from two years earlier.
- Itemized deductions
Specific expenses you can list on Schedule A, such as mortgage interest, state and local taxes and charity, instead of taking the standard deduction.
- ITIN (individual taxpayer identification number)
A nine-digit tax number from the IRS for people who must file or be listed on a U.S. tax return but cannot get a Social Security number.
L
- Limited liability company (LLC)
A business structure formed under state law that can protect owners' personal assets from business debts, with flexible tax treatment.
- Loan Estimate
A standard three-page form a mortgage lender must give you within three business days of your application, showing the loan's key terms and costs.
M
- Marginal tax rate
The tax rate on your next dollar of income, which is the rate of the highest bracket your taxable income reaches.
- Medicaid
A health coverage program for people with limited income, run by each state with federal funding and rules.
- Medicare
Federal health insurance for people 65 and older, and for some younger people with disabilities or certain conditions.
- Medicare Part B premium
The monthly amount most people pay for Medicare medical insurance; the standard premium for 2026 is $202.90.
- Minimum payment
The smallest amount you must pay on a credit card by the due date to avoid a late fee and keep the account in good standing.
- Minimum wage
The lowest hourly pay allowed by law; the federal minimum is $7.25, and many states and cities set higher rates.
- Money order
A prepaid paper payment you buy with cash or a debit card, used like a check when you do not have a checking account.
- Mutual fund
A fund that pools money from many investors to buy a mix of stocks, bonds or other assets, managed by a professional firm.
N
- Native advertising
Paid content made to look like the articles, videos or posts around it; the FTC says it must be identifiable as an ad.
- Net worth
What you own minus what you owe: your assets, such as savings, a home and retirement accounts, less your debts.
- Nonresident alien
For U.S. tax, a person who is not a U.S. citizen and does not meet the green card test or the substantial presence test; taxed only on U.S.-source income.
O
- Out-of-pocket maximum
The most you will pay for covered in-network health care in a plan year; after that, the plan pays 100% of covered costs.
- Overdraft fee
A fee a bank charges when it pays a transaction even though your account does not have enough money to cover it.
- Overtime pay
Extra pay of at least one and a half times the regular rate for hours over 40 in a workweek, required for many workers by federal law.
P
- Payday loan
A small, short-term, high-cost loan that is usually due on your next payday, often with fees equal to an APR near 400%.
- Payroll taxes
Taxes an employer withholds from wages and pays itself, including Social Security, Medicare, federal unemployment and state taxes.
- Pension (defined benefit plan)
A retirement plan that pays a set monthly income for life, based on a formula using your pay and years of service.
- Personal loan
An installment loan, usually unsecured, that you repay in fixed monthly payments over a set term, often two to seven years.
- Premium (insurance)
The amount you pay, usually monthly, to keep an insurance policy active, whether or not you use it.
- Premium tax credit
A refundable federal tax credit that lowers the monthly cost of health insurance bought through the Health Insurance Marketplace.
- Prepaid card
A card you load with money in advance and then use to pay; it is not a credit card and does not build credit.
- Principal
The amount you borrowed, or the part of a loan balance that is still unpaid, not counting interest.
- Private mortgage insurance (PMI)
Insurance that protects the lender, not you, and is usually required on a conventional loan when you put down less than 20%.
- Property tax
A yearly tax set by local governments, mainly on homes and land, based on the property's assessed value.
Q
- Qualified business income (QBI) deduction
A federal deduction that lets many owners of sole proprietorships and pass-through businesses deduct up to 20% of their qualified business income.
- Qualified tips deduction
A deduction of up to $25,000 a year for 2025 through 2028 for tips earned in jobs where tipping is customary.
R
- Refinancing
Replacing an existing loan with a new one, usually to get a lower rate, change the term, or take cash out of home equity.
- Remittance transfer
Money sent electronically from someone in the U.S. to a person or business in another country, through a bank, credit union or money transfer company.
- Remittance transfer excise tax
A 1% federal tax, starting with transfers after December 31, 2025, on international money transfers paid for with cash, money orders or similar instruments.
- Required minimum distribution (RMD)
The minimum amount you must withdraw each year from most retirement accounts once you reach a certain age, currently 73.
- Right of rescission
A federal right to cancel certain loans secured by your main home, such as a refinance with a new lender or a HELOC, within three business days.
- Roth conversion
Moving money from a traditional IRA or pre-tax plan into a Roth account and paying income tax on the amount now.
- Roth IRA
An individual retirement account funded with after-tax money, where qualified withdrawals, including growth, are tax-free.
- Routing number
A nine-digit code that identifies your bank or credit union for direct deposits, electronic transfers and checks.
- Royalty income
Payments for the use of your property, such as music, books or videos you hold the rights to; where it goes on your return depends on whether you are in business.
S
- SALT deduction
The itemized deduction for state and local taxes, such as income or sales tax and property tax, which is capped at $40,400 for 2026.
- Savings account
A deposit account for money you plan to keep, which pays interest and usually allows fewer withdrawals than a checking account.
- Schedule C
The form attached to Form 1040 where sole proprietors, freelancers and many creators report business income and expenses to find their profit or loss.
- Section 179 deduction
A tax rule that lets a business deduct the cost of qualifying equipment in the year it is placed in service instead of spreading it over several years.
- Secured credit card
A credit card backed by a cash deposit you pay up front, often used to build credit from scratch or rebuild it.
- Self-employment tax
Social Security and Medicare tax paid by people who work for themselves, at 15.3% on most net earnings.
- Social Security credits
Units you earn by working and paying Social Security tax; most people need 40 credits, about 10 years of work, to get retirement benefits.
- Social Security number (SSN)
A nine-digit number from the Social Security Administration used to track earnings for benefits and to identify people for taxes.
- Sole proprietorship
The simplest business form: one person owns the business, with no separate legal entity, and reports profit on their own tax return.
- Standard deduction
A fixed dollar amount you can subtract from income instead of listing individual deductions; for 2026 it is $16,100 for single filers.
- Standard mileage rate
An IRS rate per mile used to deduct the cost of driving a personal car for business; it was 72.5 cents through June 2026 and 76 cents from July 1, 2026.
- Stock
A share of ownership in a company; its price rises and falls with the company's prospects and the market.
- Supplemental Security Income (SSI)
A monthly federal payment for people with very limited income and resources who are 65 or older, blind or disabled.
T
- Tax bracket
A range of taxable income that is taxed at one rate; the U.S. has seven federal brackets, from 10% to 37%.
- Tax credit
An amount subtracted directly from the tax you owe; a refundable credit can also be paid to you if it is larger than your tax.
- Tax extension
Extra time to file your federal return, usually to October 15, granted with Form 4868; it does not give extra time to pay.
- Tax refund
Money the IRS or your state sends back when you paid more tax during the year than you owed, or have refundable credits.
- Tax treaty
An agreement between the U.S. and another country that can lower or remove U.S. tax on some income of residents of that country.
- Taxable income
The part of your income that federal income tax is actually figured on: AGI minus your standard or itemized deductions.
- Term life insurance
Life insurance that pays a set amount to your beneficiaries if you die during a fixed period, such as 20 or 30 years.
- Traditional IRA
An individual retirement account where contributions may be tax-deductible and growth is tax-deferred until you withdraw; the 2026 limit is $7,500.
- Treasury securities
Debt issued by the U.S. government, such as bills, notes, bonds and TIPS, backed by the full faith and credit of the United States.
U
- Unauthorized electronic transfer liability
Federal limits on how much you lose when someone uses your debit card or account without permission, based on how fast you report it.
V
- VA loan
A home loan for eligible veterans, service members and some surviving spouses, guaranteed by the Department of Veterans Affairs.
W
- Wire transfer
A fast electronic transfer of money between banks, often used for large or urgent payments such as a home closing.
- Withholding
Tax your employer takes out of each paycheck and sends to the government on your behalf.