Markup vs margin — or margin vs markup, margin v markup, or simply understanding the relationship between margin and markup — is one of the most frequently confused areas in business finance. Confusing them causes real financial damage. Many business owners have accidentally priced products at a loss because they applied a markup percentage when they meant to apply a margin percentage.
This guide settles the confusion permanently with clear formulas, worked examples, and a conversion table.
The Core Difference in One Sentence
Margin is profit as a percentage of the selling price.
Markup is profit as a percentage of the cost price.
Same profit. Same transaction. Two very different percentages.
The Formulas
Margin % = (Profit ÷ Selling Price) × 100
Markup % = (Profit ÷ Cost Price) × 100
Where profit = selling price − cost price.
A Concrete Example
Say you buy a product for £40 and sell it for £60.
- Profit = £60 − £40 = £20
- Margin = (£20 ÷ £60) × 100 = 33.3%
- Markup = (£20 ÷ £40) × 100 = 50%
The same transaction gives you a 33.3% margin and a 50% markup. These are not interchangeable numbers.
📈Why This Distinction Matters So Much
Here is a real-world scenario that shows how damaging the confusion can be.
A business owner wants to achieve a 50% margin on all their products. They know this means keeping half of every pound of revenue as profit.
They look at their cost price (£40) and think: "I need a 50% margin, so I'll add 50% to my cost price."
£40 + 50% = £60 selling price.
But £20 profit on a £60 selling price is a 33.3% margin — not 50%. They have missed their target by a significant margin (no pun intended).
To achieve a 50% margin, the calculation is:
Selling Price = Cost ÷ (1 − Desired Margin)
= £40 ÷ (1 − 0.50) = £40 ÷ 0.50 = £80
At £80, the profit is £40 on a £80 sale — exactly 50% margin. Not £60.
If you want to achieve a specific margin, never simply add that percentage to your cost. You must use the formula above. Adding 40% to your cost gives you a 40% markup — which is only a 28.6% margin.
Conversion Table — Markup to Margin
Here is a quick reference showing how markup and margin relate to each other:
| Markup % | Equivalent Margin % |
|---|---|
| 10% | 9.1% |
| 20% | 16.7% |
| 25% | 20.0% |
| 33% | 24.8% |
| 50% | 33.3% |
| 75% | 42.9% |
| 100% | 50.0% |
| 150% | 60.0% |
| 200% | 66.7% |
| 400% | 80.0% |
Notice that markup is always higher than the equivalent margin. A 100% markup equals exactly 50% margin — the only clean conversion point.
Conversion Formulas
If you know the markup and want the margin:
Margin % = Markup % ÷ (100 + Markup %) × 100
If you know the margin and want the markup:
Markup % = Margin % ÷ (100 − Margin %) × 100
Example: You have a 40% markup. What is your margin?
Margin = 40 ÷ (100 + 40) × 100 = 40 ÷ 140 × 100 = 28.6%
Example: You want a 40% margin. What markup do you need?
Markup = 40 ÷ (100 − 40) × 100 = 40 ÷ 60 × 100 = 66.7%
£Which One Should You Use?
Both are valid and useful — they answer slightly different questions.
Use margin when:
- Assessing how profitable your business is
- Comparing your performance to industry benchmarks (most industry data uses margin)
- Discussing financials with accountants, investors, or lenders
- Monitoring whether your profitability is improving or declining over time
Use markup when:
- Calculating the selling price from a known cost
- Setting standard pricing rules for product lines
- Working with suppliers who quote wholesale prices and you need a consistent markup policy
- Retail and wholesale pricing where the cost is known and consistent
The important thing is to be consistent and explicit about which one you mean whenever you discuss pricing or profitability with anyone else. For a step-by-step walkthrough of applying the right one when setting prices, see how to price your products.
Common Mistakes to Watch Out For
Mistake 1 — Using markup to achieve a margin target. As shown above, adding your target margin % to cost does not give you your target margin. Use the selling price formula instead.
Mistake 2 — Mixing margin and markup in the same conversation. If your supplier quotes their margin and you quote your markup, you are comparing apples to oranges. Clarify which one is being used.
Mistake 3 — Assuming competitors have the same cost base. A competitor who offers a 40% margin might have lower costs than you and still be profitable. Do not price based on competitor prices without understanding your own cost structure.
Mistake 4 — Ignoring all costs in the margin calculation. Gross margin only accounts for the direct cost of goods. If you want to understand true profitability, you need to include overheads — that gives you your net margin. See our guide on what profit margin actually means for the full breakdown of gross vs net margin.
🛒A Quick Memory Aid
If you find yourself confusing the two:
Margin = percentage of the Money you receive (selling price)
Markup = how much you mark up from what you paid (cost price)
Or more simply: margin looks backwards from the sale; markup looks forwards from the cost.
Markup and Margin in Practice
In day-to-day business, the two figures show up in different places. Suppliers and wholesalers often talk in markup, because they are working forward from a known cost to set a sell price. Accountants, investors, and benchmarking reports almost always talk in margin, because it ties profit back to revenue — the figure that appears at the top of a profit and loss statement.
This means the same business often needs both numbers for different purposes: markup to set prices day-to-day, and margin to report performance and compare against industry benchmarks. Keeping a simple reference table — like the one above — next to your pricing spreadsheet avoids the costly mix-ups that come from switching between the two without converting properly.
Summary
Whether you see it written as markup vs margin, margin vs markup, margin v markup, or margin vs mark up — the underlying relationship is always the same: margin uses the selling price as the denominator; markup uses the cost price.
| Margin | Markup | |
|---|---|---|
| Based on | Selling price | Cost price |
| Formula | (Profit ÷ Revenue) × 100 | (Profit ÷ Cost) × 100 |
| Which is higher? | Always lower | Always higher |
| Best used for | Reporting, benchmarking | Pricing from cost |
| Industry standard | Yes (most benchmarks) | Common in retail |
Use our free tools to calculate both your margin and your markup instantly for any product or service.
£Frequently Asked Questions
What is the difference between markup and margin?
Margin is profit as a percentage of the selling price. Markup is profit as a percentage of the cost price. On a product costing £40 and selling for £60, the £20 profit is a 33.3% margin but a 50% markup — the same profit, two different percentages depending on which figure you divide by.
How do I convert markup to margin?
Margin % = Markup % ÷ (100 + Markup %) × 100. For example, a 40% markup converts to a margin of 40 ÷ 140 × 100 = 28.6%. Markup is always higher than the equivalent margin.
How do I convert margin to markup?
Markup % = Margin % ÷ (100 − Margin %) × 100. For example, a 40% margin requires a markup of 40 ÷ 60 × 100 = 66.7%.
If I want a 50% margin, what markup do I need?
You need a 100% markup. Adding 50% to your cost price only gives you a 33.3% margin, not 50% — to hit a 50% margin you must double your cost price (selling price = cost ÷ (1 − 0.50) = cost × 2).
Is a 100% markup the same as 100% margin?
No. A 100% markup equals exactly a 50% margin — this is the only point where the two percentages relate this simply. A 100% margin is mathematically impossible, since it would mean the cost price is zero.
Why does my margin look lower than my markup on the same sale?
Because margin divides profit by the selling price (a bigger number) while markup divides the same profit by the cost price (a smaller number). Dividing the same profit figure by a larger denominator always produces a smaller percentage, so margin is always lower than markup for any profitable sale.
Last updated April 2026.