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Fundamentals
6 min read

How to Read an Income Statement in 5 Minutes

The income statement tells the story of a business from sales to profit. Learn to read it top to bottom in five minutes — no accounting background needed.

Every company publishes an income statement. It looks intimidating, but it is really just one simple story told with numbers: here is what we sold, here is what it cost us, and here is what we kept.

Read it from top to bottom and it falls into four steps.

$100$60$30$20−$40 cost of goods−$30 running costs−$10 tax + interestRevenueGross profitOperating profitNet profit100% of sales60%30%20% kept
Read it top to bottom: sales come in, costs come out, and what's left is profit.

Step 1 — Revenue (the top line)

Revenue is all the money customers paid for the company's products or services. It is called the "top line" because it sits at the top. Bigger is good — but by itself it tells you nothing about whether the company actually makes money. A company can have huge sales and still lose money.

Step 2 — Gross profit

Subtract the direct cost of making the product (cost of goods sold) and you get gross profit. Divide gross profit by revenue and you get the gross margin — the share of each sale left after production costs.

  • A software company might keep 80 cents of every dollar (high margin).
  • A grocery store might keep 25 cents (low margin).

High gross margins often signal pricing power, a topic we cover in profit margins and moats.

Step 3 — Operating profit

Now subtract the cost of running the business — salaries, marketing, research, rent. What remains is operating profit (sometimes called operating income or EBIT). This shows whether the core business is profitable before the effects of debt and taxes.

Step 4 — Net profit (the bottom line)

Finally, subtract interest on debt and taxes. What is left is net profit — the famous "bottom line," the money that truly belongs to shareholders. Divide it by revenue and you get the net margin.

In the picture above, $100 of sales became $20 of net profit — a 20% net margin. That single journey, from $100 to $20, is the whole story.

What to actually look for

  • Are margins steady or rising? Falling margins mean costs are winning.
  • Is profit growing as fast as revenue? If sales grow but profit does not, something is leaking.
  • One year is a snapshot; five years is a story. Always look at the trend.
Key takeaway: An income statement is just money in, costs out, profit left. Follow revenue down to net profit, watch the margins at each step, and you have read the business in five minutes. See it live for any stock on its analysis page.

This is education, not investment advice.

Educational content only — not investment advice or a recommendation. Always do your own research and consult a licensed professional.