Net profit margin
See how much of every ringgit you keep as profit, plus the net profit margin formula and ways to improve it.
Published Wednesday 30 September 2026
Table of contents
Net profit margin is the portion of income you get to keep
Key takeaways
- Net profit margin is the percentage of revenue you keep after paying every cost, including interest and tax. It shows how much of every ringgit you earn becomes profit.
- To calculate it, divide net profit by total revenue and multiply by 100. A common rule of thumb treats 5% as low, 10% as healthy and 20% as high.
- What counts as a good margin depends on your industry. Compare your result with similar businesses and with your own past periods.
- You can lift your margin by reviewing your prices and trimming costs. Checking your numbers every month helps you spot changes early.
What is net profit margin?
Net profit margin is the percentage of your total revenue left as profit after you subtract every cost, including interest and tax. It tells you how much of every ringgit your business earns you actually keep.
For example, a business with RM500,000 in revenue and a 10% net profit margin keeps RM50,000 as profit once every cost is covered.
This number gives you a clear view of your business’s overall financial health. Because it’s a percentage, you can compare it across periods and against businesses of different sizes.
You’ll find the figures you need on your profit and loss statement, also called an income statement. This report summarises your revenue and expenses for a set period.
Net profit margin formula
The net profit margin formula divides net profit by total revenue, then multiplies the result by 100. The Corporate Finance Institute (CFI) uses the same definition, and you may also see it called the net margin ratio.
Net profit margin = (net profit ÷ revenue) × 100
You need two figures from your profit and loss statement to use it:
- revenue, which is the total money your business earns from sales before any deductions
- net profit, which is what’s left after you subtract cost of goods sold (COGS), operating expenses, interest and tax
Net profit is often called your bottom line because it sits at the bottom of your profit and loss statement. It reflects what your business really earned once every cost is counted.
How to calculate net profit margin
You can calculate net profit margin in four steps using figures from one reporting period. This example uses Sweet Flour, a fictional Malaysian bakery, and its results for one quarter.
For the quarter, Sweet Flour recorded:
- RM120,000 in total revenue
- RM40,000 in COGS, such as flour and packaging
- RM50,000 in operating expenses, such as rent, utilities, wages and marketing
- RM2,000 in interest on a business loan
- RM7,000 in tax
1. Add up all your expenses
Start by totalling every cost for the period, including COGS, operating expenses, interest and tax. For Sweet Flour, that’s RM40,000 + RM50,000 + RM2,000 + RM7,000 = RM99,000.
2. Subtract total expenses from revenue
Take your total expenses away from revenue to find net profit. Sweet Flour’s net profit is RM120,000 − RM99,000 = RM21,000.
3. Divide net profit by revenue
Next, divide net profit by total revenue for the same period. For Sweet Flour, RM21,000 ÷ RM120,000 = 0.175.
4. Multiply by 100
Multiply the result by 100 to turn it into a percentage. Sweet Flour’s net profit margin is 0.175 × 100 = 17.5%, so the bakery keeps 17.5 sen of every ringgit it earns.
To skip the manual maths, try Xero’s free net profit margin calculator. For more worked examples, see this step-by-step calculation guide.
Net profit margin vs gross profit margin vs operating profit margin
Gross, operating and net profit margin all divide a profit figure by revenue, and each one subtracts a different set of costs. Seeing them side by side shows you where your money goes, and this overview of types of profit margin explains how they connect.
Gross profit margin subtracts only COGS from revenue. It shows how efficiently you make or buy what you sell.
Gross profit margin = ((revenue − COGS) ÷ revenue) × 100
Operating profit margin also subtracts operating expenses such as rent and wages. CFI’s operating margin guide defines it as operating profit divided by revenue, times 100, measured before interest and taxes.
Operating profit margin = (operating profit ÷ revenue) × 100
You’ll need an operating profit figure before you can use this formula, and this guide to calculating operating profit walks you through it. Net profit margin then goes one step further by subtracting interest and tax too.
Sweet Flour’s quarter shows the difference. Gross profit is RM80,000, a gross margin of 66.7%, and operating profit is RM30,000, or 25% of revenue.
Interest and tax then bring the bakery’s net profit margin down to 17.5%. A healthy gross margin paired with a much lower net margin often points to heavy overheads or debt costs.
Some businesses also track net operating profit after tax. It applies tax to operating profit and leaves financing costs out, which helps when you compare businesses that borrow different amounts.
What is a good net profit margin?
A good net profit margin depends on your industry and your stage of growth. As a starting point, a widely used rule of thumb cited by Brex treats 5% as low, 10% as healthy and 20% as high.
Brex stresses that no single figure suits every business, and sector data shows why. Data from New York University’s Stern School of Business (NYU Stern) puts the January 2026 average net margin for US listed companies at about 9.7%.
Sector averages in the same US dataset vary widely, at:
- about 1.3% for grocery and food retail
- about 5.6% for general retail
- about 9.4% for restaurants
- about 25.5% for software
These are averages for large US listed companies, so Malaysian small businesses should treat them as a rough guide only. They also show why a 2% margin can be solid for a grocer and low for a software company.
Your stage of business matters too. Early-stage businesses often run lower margins while they invest in growth, and margins tend to improve as you optimise operations.
Your most useful benchmark is your own trend over time, read alongside businesses in your sector. This guide to measuring profitability covers other metrics worth tracking.
How to interpret your net profit margin
Your net profit margin tells you how much buffer you have once every cost is paid. A higher margin gives you room to reinvest or absorb surprises, while a thin margin means small cost rises hit profit quickly.
One result is most useful next to others, so compare each month or quarter with previous ones. If your trade is seasonal, compare the same period year on year, such as your Hari Raya or Chinese New Year sales.
When your net margin shifts, your other margins help you find the cause. Use them as a quick checklist:
- if gross margin fell too, look at your COGS and your pricing
- if gross margin held steady and operating margin fell, look at your overheads
- if operating margin held steady and net margin fell, look at interest and tax
- if every margin rose, check whether a one-off gain is behind it
Reading several profitability ratios together gives you a fuller picture of performance.
Factors that affect net profit margin
Every change to your revenue or costs flows through to net profit. For most small businesses, the margin shifts because of changes in:
- sales volume, since revenue that grows faster than costs lifts your margin
- supplier and shipping prices, which raise your COGS
- overheads such as rent and wages
- your pricing, especially when it lags behind rising costs
- interest on business loans
- the income tax you pay on chargeable income
Tax has a direct effect on your net margin. The Inland Revenue Board of Malaysia (LHDN) sets lower company tax rates for smaller companies. To qualify, a company needs paid-up capital of RM2.5 million or less and gross business income of RM50 million or less.
For year of assessment (YA) 2023 to 2024, LHDN’s published rate table sets 15% on the first RM150,000 of chargeable income. The rate is 17% on RM150,001 to RM600,000 and 24% on the balance, while other companies pay 24%. According to PwC’s Malaysia tax summary, the lower rates apply only if foreign companies or non-Malaysian citizens own no more than 20% of paid-up capital. Check your eligibility with your tax agent.
For a qualifying company with RM200,000 in chargeable income, that’s RM22,500 on the first RM150,000 plus RM8,500 on the next RM50,000. The total tax bill is RM31,000.
Industry also shapes what’s normal. Businesses in crowded or heavily regulated sectors often work with slimmer margins, so set targets against your own sector.
Limitations of net profit margin
Net profit margin is a helpful summary, and it’s most reliable when you read it with other measures. CFI’s net profit margin guide advises comparing only businesses in the same sector with similar models, since margins differ widely between industries.
The same guide flags two cost structures that lower margin even when day-to-day operations run well:
- more debt financing, which brings higher interest costs
- large holdings of property, plant and equipment, which add depreciation expenses
One-off items can also distort a single period. Selling equipment at a gain or paying for a major repair can swing your margin, so look past unusual months when you judge performance.
Profit and cash also move separately. A healthy margin can sit alongside a tight bank balance when customers pay slowly, so watch your cash flow as well.
How to improve your net profit margin
Improving your net profit margin comes down to earning more from each sale, spending less to deliver it, or both. These seven steps can help you grow your profits one change at a time.
1. Review your pricing regularly
Many small business owners set prices once and rarely revisit them. Check that your prices still reflect your costs and the value you deliver, and use a margin calculator to test new price points.
2. Audit your spending every quarter
Check your expenses for subscriptions and services you no longer use. Cancel them or renegotiate the contracts.
3. Raise your average sale value
Bundle related products or suggest add-ons when customers buy. Small increases on each transaction add up across a year.
4. Negotiate better terms with suppliers
Ask suppliers about bulk discounts or longer payment terms. Long-term relationships with vendors often lead to more favourable rates.
5. Automate repetitive admin
Manual data entry takes time you could spend on sales and customers. Accounting software with automated bank feeds and online invoicing saves you admin hours and reduces costly errors.
6. Check your numbers every month
Monthly reviews help you spot trends early and act before small issues grow. With real-time financial reports, you can compare margins across periods whenever you need to.
7. Look after your existing customers
Repeat customers give you steadier, more predictable revenue. A simple loyalty offer or regular follow-up keeps them coming back.
Track your net profit margin with Xero
Your net profit margin shows how much of each ringgit you keep, and tracking it regularly helps you act early on pricing and costs. Xero brings your revenue and expenses into easy-to-read reports, with automated bank feeds keeping the numbers up to date.
You can share live figures with your accountant or bookkeeper and make confident decisions about pricing and spending. Start tracking your margin with clear, current numbers when you get one month free.
FAQs on net profit margin
These answers cover common questions small business owners ask about net profit margin.
Is a 7% net profit margin good?
A 7% margin sits between the 5% low and 10% healthy marks in the common rule of thumb. Whether it’s good depends on your industry: it’s strong for a grocery business and low for a software company.
Is net profit margin calculated before or after tax?
Net profit margin is calculated after tax, along with interest and every other cost. For a view before interest and tax, use operating profit margin instead.
Can net profit margin be negative?
Yes, a negative margin means your costs exceeded revenue for the period, giving you a net loss. It can happen during periods of heavy investment or when costs rise faster than sales.
How often should you check your net profit margin?
Checking monthly lets you catch changes early and respond quickly. Quarterly and annual reviews then show you longer-term patterns for planning.
Is net margin the same as net profit margin?
Yes, net margin and the net margin ratio are other names for net profit margin. In Malay, you’ll see it called margin untung bersih.
Related terms
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Disclaimer
This glossary is for small business owners. The definitions are written with their requirements in mind. More detailed definitions can be found in accounting textbooks or from an accounting professional. Xero does not provide accounting, tax, business or legal advice.