How to Calculate Your Net Worth: 3 Steps + Free Tools
WalletMap mobile dashboard clearly showing net worth
"How much are you worth, actually?"
Most people freeze when they get asked that. But there's a real answer to it, and it's called your net worth.
The formula is just:
Net Worth = Everything You Own − Everything You Owe
Sounds obvious, but the number itself is doing a lot of work. It doesn't track how much you earn today — it tracks the cumulative result of every saving, investing, and spending decision you've made over the years.
Picture two people: one earns $100,000 a month and spends $120,000, the other earns $50,000 a month and spends $20,000. Same city, totally different financial trajectories. Net worth is what makes that difference visible.
Calculating it on a regular schedule is basically an X-ray of your finances. You see where you actually stand instead of guessing.
Three steps
Step 1: list everything you own
Assets are anything you own that has value. The usual buckets:
Cash & banking
- Checking accounts
- Savings accounts
- CDs and fixed deposits
- Cash on hand
Investments
- Stocks (at current market price)
- ETFs
- Mutual funds
- Bonds
- Cryptocurrency (at today's price)
Real estate
- Primary residence (current market value)
- Investment properties
Vehicles & other
- Cars (what you could realistically sell for today)
- Jewelry, collectibles (only if there's a clear market price)
The one rule that matters here: use the current market value, not what you paid. If your house is worth $800,000 today, that's the number. If Bitcoin is at $65,000 and you own one coin, it's $65,000 in assets — not whatever you paid years ago.
Step 2: list everything you owe
Liabilities are debts. Common categories:
- Mortgages (remaining balance, not the original purchase price)
- Vehicle loans (outstanding car or motorcycle loans)
- Student loans (unpaid balance)
- Credit card debt (every card, every outstanding balance)
- Personal loans (banks or friends)
- Other debts (medical debt, unpaid taxes, anything else)
Step 3: do the math
The formula:
Net Worth = Total Assets − Total Liabilities
A worked example:
Assets:
- Bank accounts: $500,000
- Stock portfolio: $1,200,000
- US stock holdings: $300,000
- Cryptocurrency: $100,000
- Home value: $8,000,000
- Total Assets: $10,100,000
Liabilities:
- Mortgage balance: $6,000,000
- Credit card debt: $50,000
- Personal loan: $0
- Total Liabilities: $6,050,000
Net Worth = $10,100,000 − $6,050,000 = $4,050,000
So this person's net worth is $4,050,000.
WalletMap mobile bank accounts list
How often should you actually check?
Net worth moves with the same things you'd expect — earning more and saving more pushes it up, the stock market dropping pulls it down, paying down debt nudges it up, and real estate prices wobble it around.
Honestly, twice a year or once a year is enough. Checking weekly just lets short-term market noise mess with your head. Leaving it for years means you miss the trend entirely. A regular cadence helps you see whether you're heading where you want to, whether your investment mix needs a tweak, and whether your spending has quietly drifted somewhere it shouldn't have.
Free tools to track it
DIY with Google Sheets
The cheapest option is just to build your own. A few tabs is usually enough:
- Asset inventory (bank accounts, stocks, property)
- Liability inventory (loans, credit cards)
- Net worth calculation (auto-totaled)
Free, completely under your control. The catch: you're updating stock prices and account balances by hand.
WalletMap: automate the boring parts
If the manual update grind is what kills your habit, WalletMap is worth a look. The pitch is:
- Your data lives in your own Google Sheets — the backend doesn't store anything sensitive
- Connect your portfolio once, and stock and crypto prices refresh automatically
- One dashboard for asset allocation, net worth trend, investment performance
- Free to start, upgrade later if you want more
What I like about it is that it doesn't make you trade privacy for convenience — you keep both. No more copy-pasting prices into a spreadsheet.
WalletMap mobile stocks holdings list
Common mistakes when calculating
Only counting bank deposits. A lot of people equate "net worth" with whatever's in their checking account. Your house, car, and stocks are also assets — count everything.
Using purchase price instead of market value. Bought a house for $500,000, it's worth $1,000,000 today? Use $1,000,000. That's the only way the number reflects reality.
Skipping small debts. "It's just $2,000 on a credit card, why bother?" — those add up faster than you'd think. List them all.
Stale investment prices. That ETF you bought last year is worth a different amount now. Refresh prices regularly, or you're just looking at fiction.
Just start
Calculating net worth isn't complicated: list assets, list liabilities, subtract. The whole point is doing it on a schedule, so you can see whether you're moving toward the financial life you want.
If you'd rather not do the data-wrangling yourself, give WalletMap a try — let the system handle the boring updates while you focus on the actual decisions.
Tool aside, the only thing that matters is starting. Grab a pen or open a spreadsheet today and run the math. You might find out you're richer than you thought, or that it's time to fix some spending habits — either way, that's better than guessing.
For what it's worth, I ended up using WalletMap to handle the monthly update — it just totals up bank, stock, and crypto balances on a dashboard so I don't have to redo the math by hand, and the underlying data still lives in my own Google Sheets, which is the part that mattered to me.