There is a difference between looking profitable and being profitable. Many small businesses generate strong revenue numbers while quietly losing money once all expenses are properly accounted for. Understanding profit margin — and tracking it monthly — is what separates businesses that survive from ones that struggle.
What Is Profit Margin?
Profit margin is the percentage of revenue that remains as profit after all expenses are paid. It tells you how efficiently your business converts sales into actual profit.
The formula is straightforward: Net Profit ÷ Revenue × 100 = Profit Margin %
A business with $100,000 in revenue and $80,000 in expenses has a net profit of $20,000 and a profit margin of 20 percent.
Gross Margin vs Net Profit Margin
These two numbers are frequently confused — and the confusion can lead to serious financial miscalculations.
Gross Margin
Gross margin only subtracts the direct cost of producing your product or service (cost of goods sold) from revenue. It ignores all other operating expenses — rent, software, marketing, salaries, insurance, and everything else it costs to run the business.
Gross margin is useful for evaluating whether your core product is priced well, but it dramatically overstates your actual profitability.
Net Profit Margin
Net profit margin subtracts every expense from revenue before calculating the percentage. This is your real profitability — the number that tells you whether the business is actually working.
Always manage your business based on net profit margin, not gross margin.
What Is a Good Profit Margin for a Small Business?
Healthy net profit margins vary by industry, but here are general benchmarks:
- Below 5%: Dangerously thin — any disruption could push the business into losses
- 5% to 10%: Average — functional but leaves little room for growth investment
- 10% to 20%: Healthy — solid foundation for sustainable growth
- Above 20%: Strong — well-managed business with pricing power
Service businesses (consulting, freelance, agencies) typically achieve higher margins than product businesses because they have no inventory or manufacturing costs. A well-run service business should target 20 to 40 percent net margin.
How to Calculate and Track Your Profit Margin Monthly
The key to using profit margin effectively is tracking it monthly — not annually. Monthly tracking lets you spot trends early, catch expense creep before it becomes a problem, and identify your highest-margin months so you can replicate them.
Our Small Business Budget Planner calculates your profit margin automatically for every month of the year. Enter your revenue and expenses by category and the template instantly shows your monthly net profit, profit margin percentage, and annual totals.
Download the Small Business Budget Planner — $21 →
How to Improve Your Profit Margin
There are only two ways to improve profit margin: increase revenue or decrease expenses. In practice, the fastest gains usually come from expense reduction because it does not require finding new customers.
Audit Your Software Subscriptions
Most small businesses are paying for tools they rarely use. Review every subscription and cancel anything that is not actively used or clearly generating more value than it costs. This single action commonly frees up $200 to $500 per month.
Review Your Pricing
If your margin is thin, your prices may simply be too low. Calculate what margin you would need to hit your target and work backward to what price that requires. Many small business owners have not raised prices in years despite rising costs.
Focus on Your Highest-Margin Work
Not all revenue is equally profitable. Some clients, products, or service lines generate dramatically better margins than others. Track margin by revenue type and allocate more time and resources to the most profitable work.
Track your profit margin automatically with the GridWise Budget Planner — $21 →