How to Calculate Your Net Worth (And Why It Matters More Than Income)

Income is what you earn in a given period; net worth is what you have kept and built over your entire financial life. It is the single most useful number to track over time because it reflects the combined effect of every financial decision you have made — earning, saving, investing, borrowing, and spending.

Two people can earn the same salary and have wildly different net worth. The person with the higher figure is not always the one with the higher income.

The formula

Net worth is straightforward arithmetic: add up everything you own that has clear market value (assets) and subtract everything you owe (liabilities). What is left is your net worth.

What counts as an asset

Include liquid savings (chequing, savings, HYSA balances), investments (brokerage, IRA, 401(k), HSA), the market value of real estate you own, the resale value of vehicles, and any cash-value life insurance. Do not include personal items whose resale value is hard to price or emotional (furniture, clothing, most collectibles) — the goal is a realistic, honest figure, not the highest possible number.

What counts as a liability

Include every debt you owe: mortgage principal, auto loans, student loans, credit-card balances, personal loans, and any past-due obligations. Use the current payoff amount rather than the original loan value.

A worked example

Assume the following. Assets: $8,000 in savings, $22,000 in retirement accounts, $4,000 in a taxable brokerage, and a car worth $12,000. Total assets: $46,000. Liabilities: $190,000 mortgage, $8,000 student loans, $3,000 credit-card balance. Total liabilities: $201,000. Net worth: $46,000 − $201,000 = −$155,000. This person is not "poor"; they are early in the arc of paying down a mortgage, and their net worth will rise steadily as principal is paid down and investments grow. Direction matters more than the current sign.

How often to calculate

Once per quarter is enough for most people. Weekly checks introduce noise from ordinary market movements and rarely lead to useful decisions. A spreadsheet with one row per quarter and columns for each account is simple and durable — no app required, and no data leaves your machine.

Interpreting the trend

The single most useful signal from net-worth tracking is the direction and pace of change year over year. Rising net worth means the combined effect of saving, investing, and paying down debt is outweighing spending and market volatility. Falling net worth over multiple periods, in the absence of a market downturn, points to a spending or debt problem worth investigating.

What net worth is not

Net worth is a diagnostic, not a personality trait. A high figure at 55 might reflect years of consistent investing; the same figure at 30 might reflect an inheritance. Neither number tells you whether the person is happy, generous, or successful in the ways that matter most to them. Use net worth to track your own long-term progress against your own goals, not as a comparison to anyone else.