How to Calculate Your Net Worth — And What the Number Actually Tells You
Net worth = total assets minus total liabilities. It is the single most useful snapshot of your financial position. Learn how to calculate it correctly, what to include and exclude, and how to use it as a planning tool rather than just a score.
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Net worth equals total assets minus total liabilities. It is the single most useful snapshot of your financial position: it tells you how much you would have left if you liquidated everything and paid off every debt today. A 35-year-old with $463,000 in assets and $283,200 in liabilities has a net worth of $179,800 — regardless of their income.
How to calculate net worth
- List all assets — checking, savings, investment accounts (401k, IRA, brokerage), home value, car value, and any other property with real market value.
- List all liabilities — mortgage balance, car loan, student loans, credit card balances, personal loans, any other debt you owe.
- Subtract: Net worth = Total assets − Total liabilities
- Track it quarterly — the number on any single day is less important than the trend over time. Rising net worth = wealth accumulation; flat or falling = intervention needed.
What to include as assets
| Include | Notes |
|---|---|
| Checking and savings accounts | Use current balance |
| 401(k), IRA, Roth IRA | Current account value (pre-tax accounts are technically worth less after tax — see below) |
| Taxable brokerage accounts | Current market value |
| Primary home | Use current Zillow/Redfin estimate or a recent comparable sale |
| Investment properties | Market value minus outstanding mortgage(s) |
| Vehicles | Current private sale value (Kelley Blue Book Private Party) |
| Cash value of life insurance | Surrender value, not face value |
What to include as liabilities
| Include | Notes |
|---|---|
| Mortgage balance | Current payoff balance, not original loan amount |
| Car loan balance | Current payoff amount |
| Student loan balance | Total across all loans |
| Credit card balances | Current balances, not credit limits |
| Personal loans | Remaining principal |
| HELOC balance | Current amount drawn |
| Money owed to individuals | Include if material and legally owed |
The pre-tax adjustment: your 401(k) is not worth its full balance after-tax
A traditional 401(k) with $200,000 is worth less than $200,000 on an after-tax basis. When you withdraw in retirement, you pay ordinary income tax on every dollar. At a combined federal + state effective rate of 25%, the after-tax value is roughly $150,000.
For a simple net worth calculation, most people include the full pre-tax account balance (because it is the stated account value and simplest to track). For more precise planning, calculate a tax-adjusted net worth:
- Traditional 401(k) / IRA: multiply by (1 − expected effective tax rate). At 22% federal + 5% state: $200,000 × 0.73 = $146,000 after-tax value.
- Roth IRA / Roth 401(k): no adjustment — qualified withdrawals are tax-free.
- Taxable brokerage: unrealised gains are subject to capital gains tax if sold — apply 15–20% to unrealised gain portion for a conservative after-tax estimate.
Worked example: two households, same income, different net worth
Two 38-year-olds both earning $85,000/year. Household A has been investing consistently. Household B has been spending to keep up with income growth.
| Household A | Household B | |
|---|---|---|
| 401(k) balance | $120,000 | $22,000 |
| Checking/savings | $28,000 | $3,000 |
| Brokerage account | $18,000 | $0 |
| Home equity | $65,000 | $40,000 |
| Car value | $12,000 | $38,000 |
| Total assets | $243,000 | $103,000 |
| Student loans | $0 | $28,000 |
| Car loan | $0 | $32,000 |
| Credit card balance | $800 | $14,000 |
| Total liabilities | $800 | $74,000 |
| Net worth | $242,200 | $29,000 |
Same income, same age. An $8× difference in net worth driven by savings rate, investment consistency, debt load, and vehicle choices. This is why tracking net worth reveals more about financial health than income alone.
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Authoritative sources
- Federal Reserve — Survey of Consumer Finances 2022 — The most comprehensive data on household net worth, assets, and liabilities by age, income, and education — the source for median and mean net worth by demographic group.
- IRS — Retirement Topics: Required Minimum Distributions — Official guidance on when and how traditional IRA and 401(k) assets must be distributed, relevant for calculating the after-tax value of pre-tax retirement accounts.
Key takeaways
- Net worth = total assets minus total liabilities. It is a balance sheet measure — a snapshot of everything you own versus everything you owe on a given day.
- Track net worth quarterly, not daily. The trend over 12–24 months is what matters. Market fluctuations cause daily noise; the direction over time reveals whether wealth is actually accumulating.
- Traditional 401(k) balances are worth less than their nominal value on an after-tax basis. For planning purposes, apply your expected effective tax rate to estimate the real purchasing power of pre-tax retirement accounts.
- Income level explains far less of the net worth gap than savings rate, investment consistency, and debt management. Two people at the same income can have an 8× difference in net worth by age 38.
- Home equity is a legitimate asset but it is illiquid. For retirement planning, track investable net worth (excluding home) separately — this is the number that drives retirement income capacity.
- Once you know your net worth, the age-based benchmark guide shows where you stand relative to the Federal Reserve's household data by age group and income — a calibration tool for whether your trajectory is on track.
Frequently asked questions
Should I include my home in net worth?
Yes — your primary residence is an asset and its value minus your mortgage balance contributes to net worth. However, for retirement planning, track investable net worth (excluding home equity) separately. Home equity requires selling your home to access, and most retirees prefer to stay in their home rather than downsize to fund expenses.
Does my 401(k) count as net worth?
Yes. Your 401(k) and IRA balances are assets and should be included. For a simple calculation, use the account balance. For a more accurate after-tax figure, multiply the traditional 401(k) balance by (1 − your expected effective tax rate in retirement). Roth accounts need no adjustment since qualified withdrawals are tax-free.
How often should I calculate my net worth?
Quarterly is sufficient for most people. Monthly can be motivating early in the wealth-building phase. The value is in the trend, not the precision on any single day. Daily calculation is counterproductive — market volatility creates noise that obscures the signal of whether your financial behaviour is on track.
Does net worth include income?
No. Net worth is a balance sheet measure at a point in time — assets versus liabilities. Income is a flow that affects net worth indirectly by enabling savings and debt payoff. Two people with the same income can have radically different net worth based on how much of that income they save and invest over time.
What is a good net worth at 40?
The Federal Reserve's 2022 Survey of Consumer Finances shows a median net worth of $135,300 for ages 35–44 across all households. Fidelity's retirement benchmark targets 3× your salary in retirement accounts specifically by age 40. A 40-year-old earning $80,000 would target $240,000 in retirement accounts, separate from home equity and liquid savings.
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