🏦 Net Worth Calculator
Calculate your total net worth by entering your assets and liabilities below.
Calculate your total net worth by entering your assets and liabilities below.
How is net worth calculated?
Net worth is the total value of everything you own (assets) minus everything you owe (liabilities). Assets: cash, investments, property, vehicles, retirement accounts. Liabilities: mortgages, loans, credit-card balances, and any other debts. Positive net worth means assets exceed debts; negative means the reverse.
Assets
Liabilities
| Item | Value | % of Total |
|---|
How to use this calculator
Takes about 3 minutes.
- Enter every cash and savings balance in the Assets section
- Add the current market value of investments, retirement accounts, property, and vehicles
- Move to Liabilities and enter your mortgage, car loan, credit card, and student loan balances
- Add any other loans or debts outstanding
- Click Calculate to see your net worth (assets minus liabilities) and asset/liability mix
Try these scenarios
Tap a scenario to load it into the calculator above.
Key concepts
Assets minus liabilities. Net worth is the cleanest single measure of financial position: everything you own (cash, investments, property, vehicles) minus everything you owe (mortgage, car loan, credit cards). Track it quarterly — the trend matters more than any single number.
Liquid vs. illiquid assets. Cash and investments can be sold quickly without a major price hit. Property and vehicles can't — and forced-sale values are typically 10-20% below market. Always know what fraction of your net worth you can convert to cash inside a month.
Home equity is real but trapped. If your home is worth $400k and you owe $250k, your equity is $150k — but you can't spend it without selling, downsizing, or taking a HELOC / further-advance. Many net-worth statements over-weight home equity as a result.
Retirement accounts at face value. A $200k 401(k) or pension pot isn't $200k in your pocket — withdrawing in pre-retirement triggers tax plus a 10% penalty in the US. Most planners count retirement balances at pre-tax face value but remember they're not freely spendable.
Benchmarks. A common rule of thumb (Stanley & Danko, The Millionaire Next Door): your expected net worth equals age × pre-tax income / 10. Double that figure puts you in the 'prodigious accumulator' category. Use as a directional gauge, not a target.
Worked example — a UK household at 42
Take a fairly typical UK couple in their early 40s living outside London. House on Zoopla at £385,000 with £215,000 left on the mortgage. Two workplace pensions totalling £92,000, a Stocks & Shares ISA worth £24,000, an easy-access savings pot of £11,000, and one car the local trade-in price says is worth £8,500. On the liabilities side: the mortgage plus a £6,200 PCP balance on the second car and £1,400 sitting on a 0% balance-transfer card with eight months left on the promo.
Total assets come to £520,500 (£385,000 + £92,000 + £24,000 + £11,000 + £8,500). Total liabilities are £222,600 (£215,000 + £6,200 + £1,400). Net worth is £297,900 — slightly below the ONS Wealth and Assets Survey median household wealth of £302,500, but the ONS figure includes pensions valued on an actuarial basis rather than current pot size, so the comparison flatters older households. Liquid net worth (cash + ISA − unsecured debt) is just £33,600.
Read that two ways. The headline number is healthy for the age band, but the liquid figure is thin — a job loss or major home repair forces them into the ISA before any safety margin is hit. Shifting £200 a month from the mortgage overpayment into the ISA for two years lifts liquid net worth above £40,000 without materially changing total net worth, because mortgage prepayments and ISA contributions both stay on the asset side of the balance sheet.
Common mistakes
- Marking property at the peak Zillow / Zoopla / Property24 estimate. Algorithmic valuations carry a 5-10% error band and tend to lag real local conditions. Use the lower bound of the estimate range, or knock 5% off a recent agent valuation, so the trend reflects actual sellable value rather than online optimism.
- Counting gross retirement balances against post-tax debt. A £100,000 SIPP is not £100,000 of spendable wealth — drawdowns above the 25% tax-free lump sum are taxed at your marginal rate. Some trackers shade the SIPP to 80% to make total net worth roughly comparable with post-tax assets.
- Excluding the offset mortgage balance. If you have an offset linked to your mortgage, the cash inside it is reducing interest but still belongs in your cash assets. Forgetting it understates net worth and double-counts the debt.
- Changing the methodology every quarter. Switching between Kelley Blue Book "trade-in" and "private party" car values, or between mid-price and bid for thinly-traded crypto, makes the trend line meaningless. Pick one source per asset class and stick with it for at least a year.
- Comparing the absolute number to internet strangers. Net worth depends on country, age, currency, and household structure. The only useful comparison is your own number against your own number from twelve months ago.
Frequently Asked Questions
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