Financial Glossary

CW By the CalcWise team · Reviewed for accuracy · Updated Sep 2026 · Reference

Every term used across the 25-lesson curriculum, defined in one place and organized by the life stage where it first comes up — plus a Kids & Family section for parents. Each definition links to the full lesson if you want the deeper explanation.

1

Foundations

50/30/20 Rule
A budgeting framework that splits after-tax income into 50% needs, 30% wants, and 20% savings and debt payoff. → Building a Budget
Credit Utilization
The share of your available credit you're currently using — a major factor in your credit score. Below 30% is good; below 10% is excellent. → Credit & Credit Scores
Debt Avalanche
A payoff strategy that targets the highest-interest-rate debt first, regardless of balance — mathematically the cheapest approach. → Student Loans & Smart Debt
Debt Snowball
A payoff strategy that targets the smallest balance first, regardless of interest rate — builds momentum through fast visible wins. → Student Loans & Smart Debt
FDIC / NCUA Insurance
Federal insurance covering deposits up to $250,000 per depositor, per bank (FDIC) or credit union (NCUA), per ownership category. → How Money & Banks Work
FICO Score
The most common credit-scoring model, ranging 300–850, weighted roughly 35% payment history, 30% amounts owed, 15% length of history, 10% new credit, 10% credit mix. → Credit & Credit Scores
High-Yield Savings Account
A savings account, typically online-only, paying meaningfully more interest than a traditional big-bank account — while staying FDIC-insured. → How Money & Banks Work
Secured Credit Card
A credit card backed by a refundable cash deposit that becomes your credit limit — a common way to build credit from nothing. → Credit & Credit Scores
2

Early Career

Coinsurance
Your percentage share of health costs after the deductible — e.g., you pay 20%, insurance pays 80%. → Insurance Fundamentals
Copay
A fixed fee for a specific health service, like $25 per doctor visit, often independent of your deductible status. → Insurance Fundamentals
Deductible
What you pay out of pocket before insurance starts sharing costs (health), or before a claim payout is reduced (auto/home). → Insurance Fundamentals
Diversification
Spreading money across many investments so no single company or sector can sink your whole portfolio. → Investing Basics
Effective Tax Rate
Your total tax divided by total income — always lower than your top marginal bracket, since only your last dollars are taxed at that rate. → Understanding Taxes
Employer Match
Free money your employer adds to your 401(k) when you contribute, up to a set percentage of salary. → Employer Benefits 101
ETF (Exchange-Traded Fund)
A basket of many stocks or bonds that trades throughout the day like a single stock, often with low fees. → Investing Basics
HSA (Health Savings Account)
A triple-tax-advantaged account (tax-free contributions, growth, and qualified withdrawals) available with a high-deductible health plan. → Employer Benefits 101
Marginal Tax Bracket
The tax rate applied only to your income within that specific bracket — not your entire income, a common misconception. → Understanding Taxes
Out-of-Pocket Maximum
The hard annual cap on health costs you pay — once reached, your insurer covers 100% for the rest of the plan year. → Insurance Fundamentals
Roth IRA
A retirement account funded with after-tax money that grows and withdraws completely tax-free in retirement. → Retirement Accounts Explained
Standard Deduction
A flat amount every filer can subtract from taxable income without itemizing individual expenses. → Understanding Taxes
Traditional IRA / 401(k)
A retirement account funded with pre-tax money that grows tax-deferred and is taxed as income when withdrawn. → Retirement Accounts Explained
Umbrella Insurance
Extra liability coverage that kicks in once your auto or home policy's limits are exhausted — cheap protection for meaningful assets. → Insurance Fundamentals
W-2 vs. 1099
A W-2 employee has taxes withheld automatically; a 1099 contractor must estimate and pay their own taxes. → Understanding Taxes
3

Building Wealth

Asset Allocation
Your overall mix of stocks, bonds, and other assets — the single biggest driver of long-term portfolio results. → Advanced Investing
Dollar-Cost Averaging (DCA)
Investing a fixed amount at regular intervals rather than all at once — reduces regret risk, though lump-sum investing wins more often historically. → Advanced Investing
Index Fund
A fund that simply tracks a market index (like the S&P 500) at very low cost, rather than trying to beat the market. → Advanced Investing
Net Worth
Everything you own minus everything you owe — the single best number for tracking overall financial progress. → Financial Planning & Goals
PITI
The four components bundled into a mortgage payment: Principal, Interest, Taxes, and Insurance. → Homeownership & Mortgages
PMI (Private Mortgage Insurance)
Insurance required by lenders when your down payment is under 20%, protecting the lender (not you) in case of default. → Homeownership & Mortgages
Rebalancing
Periodically selling what's grown and buying what hasn't to restore your target asset mix — a disciplined way to manage risk. → Advanced Investing
28/36 Rule
A lending guideline capping housing costs at 28% of gross income and total debt payments at 36%. → Homeownership & Mortgages
Term Life Insurance
Life insurance covering a fixed period (10–30 years) with no cash value, at a fraction of whole life's cost. → Life & Disability Insurance
Whole Life Insurance
Permanent life insurance that builds cash value but costs 5–15x more than term for the same death benefit. → Life & Disability Insurance
4

Pre-Retirement

Catch-Up Contribution
Extra retirement-account contributions the IRS allows starting at age 50, on top of the standard annual limit. → Maximizing Retirement Savings
Fee-Only Fiduciary
A financial advisor legally obligated to act in your interest, paid a flat or hourly fee rather than commissions. → Financial Planning & Goals
Power of Attorney
A legal document naming someone to manage your finances if you become incapacitated but are still alive. → Estate Planning Basics
5

Retirement & Beyond

4% Rule
A classic guideline: withdraw 4% of your portfolio in year one of retirement, then adjust that dollar amount for inflation each year after. → Retirement Withdrawal Strategies
Full Retirement Age
The age (67 for most people born 1960+) at which you receive 100% of your calculated Social Security benefit. → Social Security Explained
Medigap
Supplemental insurance that works alongside Original Medicare to cover deductibles, coinsurance, and gaps. → Medicare Basics
Medicare Parts A–D
Part A (hospital), Part B (medical), Part C (private Advantage plans), Part D (prescription drugs). → Medicare Basics
RMD (Required Minimum Distribution)
The minimum amount the IRS requires you to withdraw from Traditional retirement accounts starting at age 73. → Retirement Withdrawal Strategies
Step-Up in Basis
An inherited asset's cost basis resets to its value on the date of death, often erasing decades of capital gains tax exposure. → Legacy & Wealth Transfer
Estate Tax Exemption
The threshold below which an estate owes no federal estate tax — high enough that most estates fall entirely below it. → Legacy & Wealth Transfer
Long-Term Care
Help with everyday activities like bathing and dressing — mostly not covered by Medicare, and a commonly underplanned retirement cost. → Long-Term Care Planning

Kids & Family

ABLE Account
A tax-advantaged savings account for people whose disability began before age 46 (raised from 26 in 2026); qualified withdrawals are tax-free and balances are largely protected for SSI and Medicaid. → Money Accounts for Kids
Authorized User
A person added to someone else's credit card account; if the issuer reports it, the account can start building that person's credit history, while the primary cardholder stays responsible for the balance. → Teaching Kids About Money
Child Tax Credit
A federal credit of up to $2,200 per qualifying child under 17 (with a Social Security number), partly refundable and phased out at higher incomes. → Tax Breaks & Protection for Parents
Coverdell ESA
A tax-advantaged education savings account usable for K-12 and college costs, capped at $2,000/year with income limits. → Money Accounts for Kids
Custodial Roth IRA
A Roth IRA opened for a minor with their own earned income — decades of extra tax-free compounding time. → Money Accounts for Kids
Dependent Care FSA
An employer-sponsored account that pays for childcare with pre-tax dollars — up to $7,500 per household in 2026. The same expenses can't also be claimed for the Child & Dependent Care Credit. → Tax Breaks & Protection for Parents
Kiddie Tax
A rule taxing a child's investment income above a small annual threshold at the parents' tax rate rather than the child's. → Money Accounts for Kids
Trump Account
A new tax-deferred investment account for children under 18 with a Social Security number: up to $5,000 a year in contributions, with a $1,000 federal seed for eligible children born 2025–2028. → Money Accounts for Kids
UTMA / UGMA Custodial Account
A flexible investment account opened by an adult for a minor — becomes the child's outright at the age of majority. → Money Accounts for Kids
529 Plan
A state-sponsored, tax-advantaged investment account earmarked for education expenses, including K-12 tuition up to a limit. → 529 College Savings
Looking for something specific? This glossary covers every term introduced across the curriculum. For the full explanation — formulas, diagrams, examples — follow the lesson link next to each definition, or browse the full Learning Hub.