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Common Size Income Statement Format
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Download ready-to-use Comparative Income Statement Format templates in Word, Excel, and PDF to easily compare your business performance across different periods, track changes in income and expenses, and understand profit growth in a clear, structured way.
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Common Size Income Statement Templates
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Quick Guide
How to Use Common-Size Income Statement
01
Fill Business Details
Enter basic details like company name, address, contact info, GSTIN, branch (if any), and time period. This identifies the business and report duration.
02
Enter Revenue
Fill total sales (net revenue) for each year in absolute amounts. Keep revenue as 100% in percentage columns since it is the base.
03
Add Expense Details
Enter all expense values like purchase, inventory changes, depreciation, and other costs for each year in absolute amounts.
04
Calculate Total Expenses
Add all expenses to get the total expenses. Then calculate each expense as a percentage of revenue (with revenue = 100%).
05
Calculate Profit Before Tax
Subtract total expenses from revenue to get profit before tax. Fill both the amount and percentage values.
06
Add Tax & Final Profit
Enter income tax, subtract it from profit before tax, and calculate final profit after tax with a percentage comparison.

Why It Matters
Advantages of Common Size Income Statement
Easy to Compare Any Business
It helps you compare businesses of any size easily. Instead of looking at big or small numbers, everything is shown in percentages, so you can clearly understand which business is performing better.
Helps You Spot Problems Quickly
You can easily notice if any expense is increasing or going out of control. Even small changes become visible, helping you take action before it affects your profit.
Makes Budget Planning Simple
Once you know how much you usually spend on different things, it becomes easier to plan your future budget. You can estimate expenses and manage your money better.
Easy for Investors to Understand
It presents your financial data in a simple way that anyone can understand quickly. This makes it useful when showing your business performance to investors or partners.
Shows Where You Are Spending More
It clearly highlights which areas are taking the most of your money. This helps you focus on reducing unnecessary costs and improving overall profit.
Formats Explained
Types of Common Size Statement
Common size statements help you understand financial data in percentage form. The two main types are explained below:
Common Size Income Statement
This type shows every item as a percentage of total revenue (net sales). Instead of focusing only on amounts, it helps you understand how much of your sales is used for expenses and how much is left as profit. It makes analysis simple and helps you clearly see your cost structure.
Example: Sales = ₹1,00,000 (100%), Cost of Goods = 60%, Expenses = 20%, Net Profit = 20%
Common Size Balance Sheet
In this type, all items are shown as a percentage of total assets (or total liabilities). It helps you understand how your business is structured – how much is invested in assets, how much is borrowed, and how much is owned.
Example: Total Assets = ₹2,00,000 (100%), Cash = 25%, Inventory = 35%, Liabilities = 40%, Equity = 60%
Format Comparison
Common Size vs Comparative Income Statement – What’s the Difference?
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Got Questions?
Frequently Asked Questions
Find answers to common questions about Common-size income statement formats
What is a common-size income statement?
A common-size income statement is a financial statement where each item is shown as a percentage of total revenue (net sales). It helps you understand how income, expenses, and profit are distributed in a business.
How to prepare a common-size income statement?
To prepare a common-size income statement, first take total revenue as 100%. Then divide each item (like expenses and profit) by total revenue and multiply by 100 to convert it into a percentage.
What is the formula for common size income statement?
The formula is:
Each Item ÷ Total Revenue × 100
This converts all values into percentages for easy comparison.
Why is a common-size income statement important?
A common-size income statement is important because it helps you analyse cost structure, identify high expenses, and compare financial performance easily.
What are the advantages of a common-size income statement?
The main advantages are easy comparison, better understanding of expenses, improved budgeting, and clear visibility of profit in percentage form.
Can a common-size income statement compare different companies?
Yes, a common-size income statement allows comparison between companies of different sizes because all data is shown in percentages instead of absolute values.













