Sumio Blog

Practical guides on calculating net worth, valuing assets and liabilities, and tracking personal balance sheets without linking bank accounts.

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Balance Sheet Fundamentals & Articles

Investing basicsPublished by Sumio2 min read

How to read your asset allocation

Asset allocation describes how you divide your investments among asset classes. The mix you choose depends on when you need the money and your ability to tolerate losses.

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Illustrative allocation of a $200,000 portfolio: stocks $120,000, 60%; bonds $40,000, 20%; cash $30,000, 15%; gold $10,000, 5%. The graphic shows how percentages are calculated from total portfolio assets.
How-ToPublished by Sumio2 min read

How to build a personal balance sheet

A personal balance sheet records the value of your assets and the debts you owe on a chosen date. Subtracting those debts gives your net worth, following the SEC's method for a net worth statement.

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Invented personal balance sheet in US dollars. On August 31, assets total $158,000 and debts total $28,000, leaving net worth of $130,000. On September 30, assets are $160,500 and debts $27,400, leaving $133,100. Net worth increases by $3,100. Selling costs and taxes are excluded.
TrackingPublished by Sumio2 min read

Keeping a net worth spreadsheet up to date

An exchange-traded fund (ETF) keeps trading after you copy its price into your net worth spreadsheet, so check the date behind that price when you next review the total.

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Illustrated spreadsheet, using invented prices. A holding of 100 shares at a copied price of $50 is recorded as $5,000. At a later price of $54, the same holding is worth $5,400. The difference is $400.
How-ToPublished by Sumio2 min read

How to calculate your net worth

To calculate your net worth, add up the current value of your assets and subtract your debts. A four-step method with current balances, debts, and currency conversion.

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Sumio guide excerpt: Use balances from the same date to calculate your net worth. Under the quote, a calendar shows September 30, 2026, as an example review date.
Money 101Published by Sumio2 min read

Assets and liabilities: how to count your car

A car worth $18,000 belongs in your assets. If you owe $10,000 on the loan, that balance belongs in your liabilities. Together, the car and its loan contribute $8,000 to your net worth.

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Worked example: a car's estimated value is $18,000 and its loan balance is $10,000, contributing $8,000 to net worth. The illustration excludes selling costs and taxes.
Money 101Published by Sumio2 min read

What is net worth, and why track it?

Your net worth is the current value of everything you own, minus everything you owe. Adding those balances together gives you a number you can follow over time.

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