Picture that lemonade stand again. You brought in $200 in revenue. But the lemons, sugar, and cups cost $60, you paid a friend $40 to help, and you owe $10 in taxes. What's actually left in your pocket? $90. That's net income — the money that remains after every cost is paid.
This is why net income is called the "bottom line": it sits at the very bottom of the income statement, after revenue at the top and every expense in between has been subtracted.
How Net Income Is Calculated
You start with revenue and subtract everything: the cost of making the product, operating expenses like salaries and rent, interest on debt, and taxes. Whatever's left is net income.
If the number is positive, the company made a profit. If it's negative, the company lost money — this is shown in parentheses, like ($2,000), and called a net loss.
Why Net Income Matters
Net income answers the most basic question about any business: did it actually make money? A company can have soaring revenue, but if its expenses are even higher, it isn't profitable. Net income cuts through the noise.
It also feeds directly into other key metrics. Earnings per share is net income divided by shares outstanding. The price-to-earnings ratio uses it too. Get comfortable with net income and several other metrics fall into place.
The Catch: Net Income Can Be Misleading
Net income includes some items that aren't real cash — like depreciation (an accounting charge for aging equipment) or one-time gains and losses. A company can report a big profit in a quarter because it sold a building, even if its actual business is struggling. That's why experienced investors also look at free cash flow, which tracks actual cash rather than accounting profit.
| What you see | What it suggests |
|---|---|
| Net income growing steadily | A healthy, increasingly profitable business |
| Net income but shrinking | Rising costs or weakening demand — investigate why |
| A net loss | The company spent more than it earned this period |
| Profit jumps from a one-time event | Look closer — it may not repeat next quarter |
Where to Find It
Net income is the last line of the income statement in any 10-K or 10-Q. It also appears at the top of the cash flow statement, where the company reconciles accounting profit with actual cash movement — a useful cross-check.
Is net income the same as profit?
Can a company be valuable without net income?
Why is net income different from cash flow?
How Plainsheet Helps
See whether a company is truly profitable.
Plainsheet pulls net income from SEC filings and tracks it across years, so you can see if profits are growing, shrinking, or swinging wildly — without reading a single PDF.
Explore a company on Plainsheet →Net income connects to almost everything. See how it becomes earnings per share, why free cash flow can tell a different story, and how profitability fits into researching a stock.