Finance > Common-Size Statements

Common Size Financial Statements


Common size ratios are used to compare financial statements of different-size companies, or of the same company over different periods. By expressing the items in proportion to some size-related measure, standardized financial statements can be created, revealing trends and providing insight into how the different companies compare.

The common size ratio for each line on the financial statement is calculated as follows:


Common Size Ratio

  =  

Item of Interest

Reference Item


For example, if the item of interest is inventory and it is referenced to total assets (as it normally would be), the common size ratio would be:


Common Size Ratio for Inventory

  =  

Inventory

Total Assets


The ratios often are expressed as percentages of the reference amount. Common size statements usually are prepared for the income statement and balance sheet, expressing information as follows:

The following example income statement shows both the dollar amounts and the common size ratios:

Common Size Income Statement

 

  Income Statement  

Common-Size
Income Statement

 

Revenue

70,134

100%

Cost of Goods Sold            

44,221

63.1%

Gross Profit

25,913

36.9%

SG&A Expense

13,531

19.3%

Operating Income

12,382

17.7%

Interest Expense

2,862

4.1%

Provision for Taxes

3,766

5.4%

Net Income

5,754

8.2%



For the balance sheet, the common size percentages are referenced to the total assets. The following sample balance sheet shows both the dollar amounts and the common size ratios:

Common Size Balance Sheet

 

     Balance Sheet     

    Common-Size    
    Balance Sheet    

ASSETS

Cash & Marketable Securities

6,029

15.1%

Accounts Receivable

14,378

36.0%

Inventory

17,136

42.9%

Total Current Assets

37,543

93.9%

Property, Plant, & Equipment

2,442

6.1%

Total Assets

39,985

100%


LIABILITIES AND SHAREHOLDERS' EQUITY

Current Liabilities

14,251

35.6%

Long-Term Debt

12,624

31.6%

Total Liabilities

26,875

67.2%

Shareholders' Equity

13,110

32.8%

Total Liabilities & Equity

39,985

100%



The above common size statements are prepared in a vertical analysis, referencing each line on the financial statement to a total value on the statement in a given period.

The ratios in common size statements tend to have less variation than the absolute values themselves, and trends in the ratios can reveal important changes in the business. Historical comparisons can be made in a time-series analysis to identify such trends.

Common size statements also can be used to compare the firm to other firms.

Comparisons Between Companies (Cross-Sectional Analysis)

Common size financial statements can be used to compare multiple companies at the same point in time. A common-size analysis is especially useful when comparing companies of different sizes. It often is insightful to compare a firm to the best performing firm in its industry (benchmarking). A firm also can be compared to its industry as a whole. To compare to the industry, the ratios are calculated for each firm in the industry and an average for the industry is calculated. Comparative statements then may be constructed with the company of interest in one column and the industry averages in another. The result is a quick overview of where the firm stands in the industry with respect to key items on the financial statements.

Limitations

As with financial statements in general, the interpretation of common size statements is subject to many of the limitations in the accounting data used to construct them. For example:


Finance > Common-Size Statements





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