Profit Margin vs Markup: A Maker’s Worked Example
See why a 50% markup produces a 33.33% margin, and calculate a target selling price using included costs and fee assumptions.
What is the difference between margin and markup?
Margin divides included profit by revenue. Markup divides included profit by cost. They describe the same sale using different denominators. Use a consistent revenue and cost basis, and state which expenses are included.
A $4.50 product
Assume an illustrative product costs $4.50 including its allocated overhead, with no shipping, selling fees or tax. These are example inputs, not industry averages.
| Calculation | Result |
|---|---|
| 50% markup: $4.50 × 1.50 | $6.75 selling price |
| Included profit: $6.75 − $4.50 | $2.25 |
| Margin: $2.25 / $6.75 | 33.33% |
| 50% margin: $4.50 / (1 − 0.50) | $9.00 selling price |
Include a percentage selling fee
If cost is C, target margin is m and a fee f applies to tax-exclusive item revenue, the simple target price is C / (1 − m − f). With C = $4.50, m = 0.50 and f = 0.03, the target is $9.574468… , rounded upward to $9.58.
At $9.58, a 3% fee rounded to cents is $0.29. Included profit is $9.58 − $4.50 − $0.29 = $4.79, or 50% of the item revenue. Different currencies have different monetary increments, and a fee applied to tax or shipping requires a different order calculation.
Recognise impossible targets
If margin and the percentage fee total 100% or more, the denominator is not positive and this simple model has no valid finite price for a positive cost. A zero revenue denominator makes margin undefined; a zero cost denominator makes markup undefined. Neither should be displayed as a fabricated zero.
Contribution is not company net profit
Contribution subtracts included variable costs from the corresponding revenue. Profit after allocated overhead subtracts the overhead allocation as well. Company net profit needs a complete accounting view including expenses outside this product or order.
Use the right model for the job
A basic margin calculator helps compare one price and cost. A reusable recipe helps keep those costs consistent. A wholesale quote also needs quantities, shipping, setup, discounts and explicit fee assumptions. See the wholesale worked example and the SellerToolkit methodology.
Put the example into practice
Use your own material costs, usable output and order assumptions. The editable demo needs no card; verify your email to save a personal workspace to cloud.
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