It takes ten minutes, a calculator and honest numbers. Still, plenty of people are unsure how to go about it. If you have been asking how is networth calculated? this guide gives you the formula, a worked example and a list of mistakes that make the result look better or worse than it really is.
The one-line formula
Net worth = total assets − total liabilities.
That is all. Assets are things you own that have value. Liabilities are debts you owe. The result can be positive, zero or negative, and it changes every day as prices and balances move.
How is networth calculated? What counts as an asset
List everything you could reasonably sell or cash in, at a realistic price.
- Cash and bank accounts: current, savings and any cash on hand.
- Investments: shares, funds, bonds, crypto, at today’s market value.
- Retirement accounts: pensions and retirement savings, at their current balance. Some people reduce this by the tax that would be due on withdrawal, to be conservative.
- Property: your home and any other real estate, at market value, not what you paid.
- Business ownership: the realistic value of your stake, which is hard to estimate and often best valued cautiously.
- Vehicles and valuables: cars, jewellery and collectibles, at what they would fetch if sold. Cars lose value quickly, so be realistic.
What counts as a liability?
- Mortgage balance and other loans secured on property.
- Student loans.
- Car loans.
- Credit-card balances and personal loans.
- Unpaid taxes and any other bills you owe.
Do not include future living costs such as next month’s rent, since those are not debts yet.
A worked example
Imagine someone with these figures.
Assets
- Current account and savings: 12,000
- Retirement account: 45,000
- Investment account: 8,000
- Home market value: 260,000
- Car market value: 9,000
Total assets: 334,000
Liabilities
- Mortgage balance: 195,000
- Car loan: 6,000
- Credit card: 2,500
- Student loan: 14,000
Total liabilities: 217,500
Net worth = 334,000 − 217,500 = 116,500
Notice that most of the assets are the house, and most of the debt is the mortgage. If property values drop ten percent, assets fall by 26,000 and net worth by the same amount, which is why net worth moves even when you do nothing.
Common mistakes
1. Using the price you paid for the house. Use today’s estimated market value, based on recent local sales. 2. Forgetting small debts. Overdrafts, store cards and unpaid bills add up. 3. Overvaluing belongings. Furniture and clothes rarely sell for much, and most people leave them out. 4. Mixing up cash flow and net worth. Income and spending are flows; net worth is a snapshot. 5. Ignoring taxes on retirement accounts. Some savings are pre-tax, so the real spendable value is lower. 6. Counting a business at a hopeful valuation.
How companies calculate it
A business uses the same idea, but the term is usually “shareholders’ equity” or “book value”: total assets minus total liabilities as shown in the balance sheet. The market value of a listed company, however, is based on share price and can be very different from book value.
How often should you calculate it?
Many planners suggest doing this every three to six months, and writing down the date and results in a spreadsheet. The trend over years is more meaningful than any single measure. If the number is rising, you are building wealth; if it is flat or falling, look at spending, debt and savings.
Tools that help
A simple spreadsheet works fine. Some banking apps and budgeting tools link your accounts and update balances for you. If you use one, check that it values property sensibly, since automated estimates for houses can be off by a considerable margin.
What the number does and doesn’t tell you
It tells you where you stand compared with where you were, and it helps with goals such as retirement or buying a home. It does not tell you how comfortable you are today, because a person with a high net worth tied up in a house may still struggle with monthly bills. Pair net worth with an emergency fund and a monthly budget.
In short
So, how is networth calculated? Add up what you own at fair value, add up what you owe, and subtract the second from the first. Keep it honest, repeat it regularly and watch the trend. This guide is educational and not financial advice.
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Image credit: Coyau via Wikimedia Commons (CC BY-SA 3.0).
