How do you do a common size analysis statement?
Sarah Garza
Updated on February 11, 2026
Steps to Prepare Common Size Income Statement Specify the absolute figures of each line item of the income statement for two accounting years under consideration. These amounts are specified in Column I and Column II of the common size income statement. Choose sales amount as the common base. This is equal to 100.
How are common size statements useful to the analyst?
Analysts use common size financial statements to help them understand certain businesses on a new level. By looking at a common size percentage, an analyst can easily see where the company is very cost effective or not. Then they can look at the strategy of the company.
What does a common size income statement tell you?
A common size income statement is an income statement whereby each line item is expressed as a percentage of revenue or sales. The common size percentages help to show how each line item or component affects the financial position of the company.
What is a common size analysis?
A common size financial statement displays line items as a percentage of one selected or common figure. Creating common size financial statements makes it easier to analyze a company over time and compare it with its peers.
What does a common size analysis tell you?
Common size analysis is used to calculate net profit margin, as well as gross and operating margins. The ratios tell investors and finance managers how the company is doing in terms of revenues, and they can make predictions of future revenues.
How do you interpret a vertical analysis of income statement?
A vertical analysis is used to show the relative sizes of the different accounts on a financial statement. For example, when a vertical analysis is done on an income statement, it will show the top line sales number as 100%, and every other account will show as a percentage of the total sales number.
Why is the DuPont analysis important?
Importance of DuPont Analysis The DuPont system is important because it provides a complete, overall picture of any company’s financial health and performance, as compared to the common and limited equity valuation tools. DuPont analysis helps investors identify the source of increased or decreased equity returns.
How is common size analysis used in a financial statement?
Common size analysis, also referred as vertical analysis, is a tool that financial managers use to analyze income statements. It evaluates financial statements by expressing each line item as a percentage of the base amount for that period. The analysis helps to understand the impact of each item in the financial
How to analyze the common size of a company?
Common Size Analysis of Financial Statements involves looking at the numbers on the financial statement as a percentage of a total rather than their absolute value. Typically investors will look at a company’s common size balance sheet and common size income statement.
Can a common size analysis be used for trend analysis?
Common size analysis is not as detailed as trend analysis using ratios. It does not provide enough data for some sophisticated investing decisions. For managers of small businesses who do not have a lot of formal education in financial management, however, the vertical analysis provides a simple way for them to analyze their financial statements.
How is common size analysis different from Horizontal analysis?
On the other hand, horizontal analysis refers to the analysis of specific line items and comparing them to a similar line item in the previous or subsequent financial period. Although common size analysis is not as detailed as trend analysis using ratios, it does provide a simple way for financial managers to analyze financial statements.