Margin asks what portion of a selling price you keep after direct costs. Markup asks how much you inflate cost to reach price. They are two cameras pointed at the same shelf - swap formulas mid-pricing and you will silently discount yourself.
The two formulas (and a numeric tie)
Assume a SKU costs $40 landed (COGS + inbound freight you allocate to the unit). You sell it for $100. Gross profit = $60.
- Gross margin % = gross profit / price = 60 / 100 = 60%.
- Markup % on cost = gross profit / cost = 60 / 40 = 150%.
Same economics, different percentages. In a rushed Slack message, “we need 40” is meaningless unless everyone agrees whether that forty lives on top of cost or inside revenue.
Margin vs markup comparison
| Question | Margin answers | Markup answers |
|---|---|---|
| Denominator | Selling price (top line of the unit) | Cost (what you paid to create/obtain) |
| Typical audience | Finance, retail planners, SaaS CFOs | Merchants, contractors quoting jobs |
| Failure mode | Sounds “low” vs markup; people chase higher % without checking dollars | Sounds “high”; easy to overestimate protection if you forget OpEx |
Reverse-engineer price from a target margin
If you want a 55% gross margin and your unit cost is $28, price ≈ cost / (1 − margin) = 28 / 0.45 ≈ $62.22. Round with strategy in mind - psychological endings, channel fees, and returns buffers belong in the next layer, not in the naive formula.
Sanity-check the result with the profit margin calculator and, when you are deciding whether a SKU deserves shelf space, break-even units after you fold in fixed costs.
Finance cluster siblings
Margin is the bridge between top-line revenue stories and bottom-line reality - pair this guide with gross profit vs net profit so nobody confuses contribution with what is left after rent and payroll. If ads are part of acquisition cost, read ROI vs ROAS before you “fix” pricing to chase platform metrics.
For tax-inclusive markets, VAT sits between list price and what you remit - start at the VAT guide for small businesses when your shelf label includes tax consumers pay but not tax you keep.
Tie-in: contribution and break-even
Break-even thinking wants contribution margin per unit (price minus variable cost). Once you have that dollar slice, fixed costs become a countable hill - our break-even analysis walkthrough shows the algebra with examples you can paste into a spreadsheet.
Hubs
Browse calculators on the business tools hub and deeper finance utilities on the finance tools hub.