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Reading a common-size balance sheet

A common-size balance sheet reports each selected amount relative to total assets. It reveals composition, while other evidence is needed to explain causes and cash-flow effects.

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Use a common reporting-date denominator

With total assets of 900, cash of 60 represents 6.6667% of the asset base and receivables of 140 represent 15.5556%. Every line uses the same total-assets denominator. Mixing dates would change the meaning of the comparison.

Check both sides separately

Individual asset categories should add to the total asset base when they cover it completely without overlap. Liabilities and equity form a separate side that also reconciles to total assets. Adding both complete sides together gives 200%, not an error in the accounting equation.

Two separate common-size totals
SideAmounts in the fictional exampleShare of assets
Assets300 current + 600 non-current100%
Liabilities and equity420 liabilities + 480 equity100%

Do not count a subtotal twice

If current assets include cash, receivables and inventory, do not add current assets again to those components when checking the total. A presentation can contain both detail and subtotals, but a reconciliation must identify which rows are additive.

Separate composition from operating speed

Receivables as a share of assets describe balance-sheet composition. Collection speed instead needs a measure relating receivables to sales or cash collections over a period. A high share can motivate further investigation without proving slow collection.

Investigate numerator and denominator changes

A rising goodwill-and-intangibles share can reflect a larger numerator, a smaller total-asset denominator or both. Foreign-currency movements, impairment and changes in other assets can also matter. The percentage alone does not prove a series of new acquisitions.

Further references