What is net worth and why it matters
Net worth is the single number that captures your financial position: everything you own minus everything you owe. Income tells you what's coming in; net worth tells you what you've kept. It's the scoreboard of personal finance — and unlike income, you can't fake it. Tracking it over time reveals whether you're building wealth or just earning and spending.
How to calculate your net worth
List your assets: bank account balances, retirement accounts (401(k), IRA), taxable investment accounts, home value (current market), car value (Kelley Blue Book trade-in), and any other valuables. Then list your liabilities: mortgage balance, car loan, credit card debt, student loans, personal loans, and any other debts. Subtract total liabilities from total assets. The result is your net worth.
Net worth benchmarks by age
One widely used formula is the "age times income divided by 10" rule. A 30-year-old earning $60,000 would aim for $180,000. By 40 at $80,000, the target is $320,000. By 50 at $100,000, it's $500,000. These are aspirational targets, not pass-fail grades. The real benchmark is your own trajectory: is your net worth growing year over year? If your net worth is negative, you're normal for your 20s — focus on paying down debt and building savings.
Assets vs liabilities: a deeper look
Assets are things that put money in your pocket or have value you can convert to cash. The most powerful assets are income-producing: stocks, bonds, rental properties. Liabilities are obligations that take money out. Some liabilities — like a mortgage on a home you live in — build an asset over time. Others — like credit card debt — are pure drains. Not all debt is bad, but all debt affects net worth.
How to track your net worth over time
Calculate your net worth at the same time each quarter — or at minimum, every six months. Record the numbers in a spreadsheet or a tool. Focus on the trend line, not the individual snapshots. Market dips will temporarily lower your net worth; that's normal and not a reason to panic. The goal is to see the line trend upward over years, driven by consistent saving and compound growth.
Common net worth mistakes
- Overvaluing your home — use recent comparable sales, not what you think it's worth.
- Counting cars at retail value — use trade-in or private-party sale value instead.
- Forgetting to subtract selling costs from home equity — budget 6-8% for agent commissions and closing costs.
- Comparing yourself to averages instead of focusing on your own progress.
// Glossary Highlights
- Net worth — total assets minus total liabilities; your financial scoreboard.
- Savings rate — the percentage of income saved and invested; the engine that grows net worth.
- Emergency fund — liquid cash for unexpected expenses, ideally 3-6 months of living costs.
- Mortgage — a loan used to purchase a home, a major liability for most households.
- Index fund — a low-cost mutual fund tracking a market index, a core wealth-building asset.
// FAQ
Q: How do I calculate my net worth?
A: Add all assets (bank accounts, investments, home, car) and subtract all liabilities (mortgage, loans, credit cards). The result is your net worth.
Q: What is a good net worth by age?
A: The formula (age × income) ÷ 10 is a rough benchmark. Focus more on your own trajectory — is your net worth growing year over year?
Q: Should I include home equity in net worth?
A: Yes, but be conservative — use market value minus 6-8% for selling costs. Home equity is part of your wealth but isn't liquid.
// Key Takeaways
- Net worth = assets minus liabilities — it's the single best snapshot of financial health.
- Age benchmarks are guides, not grades; your personal trajectory matters more.
- Track net worth quarterly and focus on the long-term trend, not short-term fluctuations.
- Income-producing assets (stocks, bonds) build wealth faster than depreciating assets (cars).
// Next Steps
Calculate yours now with the Net Worth Tool. Then see how your current savings rate projects into the future with the Retirement Calculator.
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