Blog · Finance metrics and formulas
Revenue is what a company earns from sales before any costs; profit is what is left after them, at three levels: gross, operating and net. This page walks one company's income statement from top line to bottom line, then shows a year in which revenue grew 15% while net profit fell 22.5%, with a bridge that proves which lines caused it.
Revenue vs profit comes down to one line of arithmetic: revenue is what the company earned from sales before any costs, and profit is what remains after costs are taken off. Revenue is the top line of the income statement; net profit, which US income statements call net income, is the bottom line. The two can move in opposite directions, and the example below shows revenue up 15% while net profit fell 22.5%.
| Measure | Starts from | Subtracts | Answers |
|---|---|---|---|
| Revenue (net sales) | What customers were billed, after discounts and returns | Nothing | How much did we sell? |
| Gross profit | Revenue | Cost of goods sold | Does our pricing cover the cost of what we sold? |
| Operating profit | Gross profit | Operating expenses: selling, general and administrative, R&D, depreciation | Does the business cover its running costs? |
| Net profit (net income) | Operating profit | Interest and income tax | What is left for the owners? |
Revenue is one number. Profit is three, and anyone who says "profit" without a level is usually talking about net profit.
One company, Year 1, in USD. Revenue is $2,400,000. Each profit level takes one more layer of cost off it:
Gross profit = Revenue − Cost of goods sold
Operating profit = Gross profit − Operating expenses
Net profit = Operating profit − Interest − Income tax (plus or minus any other non-operating items)
| Line | Year 1 (USD) | % of revenue |
|---|---|---|
| Revenue | 2,400,000 | 100.0% |
| Cost of goods sold | 1,560,000 | 65.0% |
| Gross profit | 840,000 | 35.0% |
| Operating expenses | 552,000 | 23.0% |
| Operating profit | 288,000 | 12.0% |
| Interest expense | 36,000 | 1.5% |
| Income before taxes | 252,000 | 10.5% |
| Income tax at 25% | 63,000 | 2.6% |
| Net profit (net income) | 189,000 | 7.9% |
Of every revenue dollar, 35 cents survives cost of goods sold, 12 cents survives the running costs, and 7.9 cents reaches the owners. The tax line is 25% of income before taxes in both years for simplicity: roughly the 21% federal corporate rate plus state income tax.
In Year 2 the sales team won volume with discounts. Revenue rose, but cost of goods sold rose from 65% to 68% of revenue, operating expenses grew with the extra customers, and more borrowing to fund receivables and inventory raised interest.
| Line | Year 1 (USD) | Year 2 (USD) | Change (USD) | Change |
|---|---|---|---|---|
| Revenue | 2,400,000 | 2,760,000 | 360,000 | +15.0% |
| Cost of goods sold | 1,560,000 | 1,876,800 | 316,800 | +20.3% |
| Gross profit | 840,000 | 883,200 | 43,200 | +5.1% |
| Gross margin | 35.0% | 32.0% | −3.0 pts | |
| Operating expenses | 552,000 | 640,000 | 88,000 | +15.9% |
| Operating profit | 288,000 | 243,200 | −44,800 | −15.6% |
| Operating margin | 12.0% | 8.8% | −3.2 pts | |
| Interest expense | 36,000 | 48,000 | 12,000 | +33.3% |
| Income before taxes | 252,000 | 195,200 | −56,800 | −22.5% |
| Income tax at 25% | 63,000 | 48,800 | −14,200 | −22.5% |
| Net profit | 189,000 | 146,400 | −42,600 | −22.5% |
| Net margin | 7.9% | 5.3% | −2.6 pts |
Three lines caused it. The discounts took three points off gross margin, so $360,000 of extra revenue brought only $43,200 of extra gross profit. Operating expenses rose $88,000, more than twice that. Interest rose $12,000. Tax fell because there was less profit to tax. How much discounting costs, customer by customer, is what price realization by customer measures.
Two checks, and both must hold.
Each year ties. Revenue minus every cost line equals net profit:
The bridge sums to the change. Show each line's effect on net profit, with cost increases as negatives:
| Driver | Effect on net profit (USD) |
|---|---|
| Revenue up | +360,000 |
| Cost of goods sold up | −316,800 |
| Operating expenses up | −88,000 |
| Interest up | −12,000 |
| Income tax down | +14,200 |
| Change in net profit | −42,600 |
360,000 − 316,800 − 88,000 − 12,000 + 14,200 = −42,600, which is 146,400 − 189,000. If a bridge does not sum to the change, a line is missing or has the wrong sign. The first two rows together are the gross profit effect, +43,200.
Revenue and sales are usually the same top line. The SEC's income statement rules, Regulation S-X Rule 5-03, use the caption "net sales and gross revenues" and break it into sales of products, services, rentals and other revenues, so revenue can be wider than product sales.
Gross revenue vs net revenue. The same rule defines net sales as "gross sales less discounts, returns and allowances." Gross revenue is before those deductions, net revenue after, and every margin should be measured on net.
Net income, net earnings and net profit are the same bottom line. The SEC's Beginners' Guide to Financial Statements calls the top of the income statement the top line and the net profit at the bottom "the bottom line," and notes that net profit "is also called net income or net earnings." US income statements say net income.
When revenue counts. Under US GAAP, ASC 606 recognizes revenue when goods or services are transferred to the customer, in the amount the company expects to be entitled to. A signed order is a booking and an invoice is a billing; neither is revenue until the goods or services are delivered. Bookings, billings and revenue separates the three, and the glossary has the short definitions.
Net profit of $146,400 does not mean $146,400 arrived in the bank. Revenue is recorded when earned, not when the customer pays, so a rise in receivables absorbs cash that profit counted. Inventory bought for next year's sales, and equipment that is depreciated over years but paid for now, do the same. The Year 2 company borrowed more precisely because its growth tied up cash in receivables and stock. Profit says whether the business is making money; the cash flow statement says whether it can pay its bills.
Sales teams are usually paid on revenue and finance is judged on profit, which is how a Year 2 happens: every rep hit target and the company earned less. The fix is to show both side by side, per customer, so a discount that wins volume is seen against the gross profit it gives up. The profit levels applied customer by customer are in gross margin vs contribution margin vs net margin, and the first level on its own is in gross profit margin.
Covirage builds the revenue-to-profit bridge from the uploaded ledger, line by line, with deterministic tools, and checks that it sums to the change; the external AI model writes the explanation of which customers and discounts caused it, and never does the arithmetic. See revenue driver analysis. For the margin on the bottom line, see net profit margin, and for reading every line of the statement, see how to analyze a P&L.
No. Revenue is the total earned from sales before any costs. Profit is what remains after costs. A company can have high revenue and no profit if its costs are higher, which is common for fast-growing businesses and for low-margin distributors.
Usually. Sales normally means revenue from selling goods and services, while revenue can also include other operating income such as royalties or rental income. On most company income statements the two terms are used interchangeably for the top line.
Net income is net profit: revenue minus cost of goods sold, operating expenses, interest and tax. It is the bottom line of the income statement, while revenue is the top line.
Yes. If the extra revenue comes at a lower margin, or costs rise faster than sales, profit falls. In the worked example revenue grows 15% while net profit falls 22.5% because discounts cut gross margin and overhead costs rose.