Business Finance
How to Calculate Net Income: Formula, Examples & Net Profit Margin
Net income — also called net profit or "the bottom line" — is the most important profitability metric in business. It's what's left after every single expense has been paid: production costs, salaries, rent, interest, and taxes. This guide explains the formula, walks through real examples, and shows you how to interpret your net margin.
The Net Income Formula
Net Income = Revenue − COGS − Operating Expenses − Interest − Taxes
Net Profit Margin = (Net Income ÷ Revenue) × 100
1
Start with RevenueTotal sales income
2
Subtract COGSDirect production costs → = Gross Profit
3
Subtract Operating ExpensesRent, salaries, marketing, admin → = Operating Profit (EBIT)
4
Subtract InterestLoan interest payments → = Pre-tax Income (EBT)
5
Subtract TaxesIncome tax → = Net Income
Net Income Calculator
Revenue$100,000
− COGS$40,000
= Gross Profit$60,000
− Operating Expenses$30,000
= Operating Profit (EBIT)$30,000
− Interest$2,000
− Taxes$7,000
= Net Income$21,000
Net Profit Margin21.0%
Real Example: Small Business Income Statement
| Line Item | Amount | % of Revenue |
|---|---|---|
| Revenue | $250,000 | 100% |
| Cost of Goods Sold (COGS) | ($90,000) | -36% |
| Gross Profit | $160,000 | 64% |
| Salaries & Wages | ($60,000) | -24% |
| Rent & Utilities | ($18,000) | -7.2% |
| Marketing | ($12,000) | -4.8% |
| Other Operating Expenses | ($10,000) | -4% |
| Operating Profit (EBIT) | $60,000 | 24% |
| Interest Expense | ($5,000) | -2% |
| Income Taxes (25%) | ($13,750) | -5.5% |
| Net Income | $41,250 | 16.5% |
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Open Profit CalculatorQuick Formula
Net Income = Revenue − COGS − OpEx − Interest − Taxes