Margin versus markup: why the difference matters
Margin answers "what share of each sale is profit?" Markup answers "how much did I add on top of my cost?" Because the denominator is different, the same sale always has a higher markup than margin. A 50% markup is a 33.3% margin. A 100% markup is a 50% margin. A 300% markup is a 75% margin. Margin can never reach 100%, because that would mean the product cost nothing.
Confusing the two is expensive. A shop owner who hears "you need a 40% margin" and multiplies cost by 1.4 ends up with a 28.6% margin and wonders where the money went. Accountants, lenders and marketplaces usually talk in margin. Suppliers, retailers and pricing spreadsheets usually talk in markup. This calculator shows both so you can translate between them.
Gross, operating and net margin
What this tool calculates is gross margin: revenue minus the direct cost of the thing sold. It is the right figure for pricing a product, comparing two suppliers or checking whether a discount still leaves room for profit. Operating margin goes further and subtracts overheads such as rent, salaries and software, and net margin subtracts everything, including interest and tax. If you enter total revenue and total costs for a period instead of per-unit figures, the same formula gives you an overall margin for that period.
Benchmarks depend heavily on the industry. Grocery and fuel retail run on thin gross margins and make it up in volume, while software and digital products often keep most of each sale as gross profit. Compare your margin with businesses that sell the same kind of thing, not with a single universal number.
Pricing with a target margin
The "Cost + margin" mode is the one to use when setting prices. Enter the full cost of delivering the product, including packaging, payment processing fees, shipping you absorb and expected returns, then the margin you want. The result is the minimum price that achieves it. Round up from there to a price that looks natural to customers; rounding down silently eats the margin you just calculated.
Discounts hit margin harder than they look. A product with a 30% margin that goes on sale at 10% off keeps only a 22% margin, which is a third of the profit gone for a tenth off the price. Run the discounted price through the "Cost + revenue" mode before announcing a promotion, and use the break-even calculator to see how many extra units the sale has to generate to pay for itself.
Common mistakes
- Multiplying by the margin. Cost x 1.6 does not give a 60% margin. Divide by (1 - 0.6) instead, which is what the calculator does.
- Leaving costs out. Transaction fees, shipping, packaging and returns are part of cost. Leaving them out overstates margin, sometimes by more than the margin itself on cheap items.
- Mixing units. Cost per unit against revenue per order of three units gives a meaningless number. Keep both figures on the same basis.
- Comparing your margin with a markup benchmark. "Keystone pricing" is a 100% markup, which is a 50% margin. Check which one a benchmark means before you compare.
- Ignoring the sign. If revenue is below cost, both percentages are negative. The calculator flags that as a loss rather than hiding it.
Related calculations
If you think in terms of markup, the markup calculator works from cost plus a percentage and includes a full markup-to-margin table. For quick percentage arithmetic such as "what is 15% of 240", the percentage calculator is faster. Freelancers pricing time rather than products should start with the hourly rate calculator, which already builds in a profit margin.