What Is Markup vs. Margin? Pricing Explained

Markup vs. Margin: The Core Difference

Markup and margin both describe the gap between what something costs you and what you sell it for — but they measure it from opposite ends. Markup is profit as a percentage of cost. Margin is profit as a percentage of selling price. Same dollars, different percentages, and confusing them is one of the most expensive beginner pricing mistakes.

Here is the simplest way to remember it: markup builds the price up from cost; margin measures what you keep from the price. Sellers who want to sanity-check their numbers can run them through our Etsy Profit Calculator or Shopify Profit Calculator to see margins after real fees.

The Two Formulas

The numerator is identical — gross profit in dollars. Only the denominator changes. Because price is always bigger than cost, markup is always a bigger percentage than margin for the same transaction. A 50% markup equals a 33% margin. A 100% markup ("double the cost") equals a 50% margin.

Worked Example: The Etsy Seller's Pricing

You make ceramic mugs. Each mug costs you $12 all-in (clay, glaze, firing, packaging). You sell it for $20. Gross profit is $8 either way — but watch the percentages:

Now the trap: you decide you want a "40% markup" and price at $12 × 1.40 = $16.80. Your actual margin is ($16.80 − $12) ÷ $16.80 = 28.6% — not 40%. You thought you were keeping 40 cents per dollar; you are keeping under 29. Across hundreds of sales, that misunderstanding quietly erases thousands in profit. Our Etsy fees guide shows how marketplace fees squeeze that margin even further.

Markup-to-Margin Conversion Table

Keep this handy when suppliers quote markups and you think in margins:

If Markup Is…	Margin Is…	Example ($10 cost)
25%	20%	Price $12.50, profit $2.50
50%	33.3%	Price $15.00, profit $5.00
66.7%	40%	Price $16.67, profit $6.67
100%	50%	Price $20.00, profit $10.00
150%	60%	Price $25.00, profit $15.00
300%	75%	Price $40.00, profit $30.00

The quick conversion formulas: Margin = Markup ÷ (1 + Markup), and Markup = Margin ÷ (1 − Margin). Going the other direction matters too — if your business plan demands a 40% margin, you need a 66.7% markup on cost, not 40%.

The Discount Trap: How Sales Destroy Margin

Discounts are where markup/margin confusion turns truly expensive. Take the $20 mug with a 40% margin ($8 profit) and offer 20% off ($16 price):

Discounts cut margin far faster than they cut price, because cost doesn't discount. To earn the same total profit after a 20%-off sale, you must sell twice as many units — before counting the extra labor and ad spend to move them. Experienced retailers plan promotions around margin, not price: a "20% off" that was costed at a 25% margin was never a promotion, it was a donation. Before discounting, compute the new margin first; if the promotion can't clear your margin floor, find another lever — bundles, free-shipping thresholds, or bonuses that protect per-unit profit.

Margin After Fees: The Number That Actually Matters

The margin on your price tag isn't your real margin — marketplace and payment fees take their cut first. That $20 mug sold online might face roughly 8–10% in combined transaction and payment fees:

Always compute margin on net revenue after fees, not the sticker price. Sellers who price to a 40% tag margin and discover a 34% real margin after fees have been underpricing every unit — across thousands of sales, that gap is the difference between a business and a hobby.

When to Use Each One

• Use markup when setting prices: "I need a 60% markup on cost to hit my target" is the natural way to build a price from known costs.
• Use margin when evaluating the business: investors, lenders, and your P&L all speak margin — "we run a 45% gross margin."
• Use margin for comparisons: margins let you compare profitability across products with different costs; markups distort the comparison.
• Never mix them in one conversation without labeling which you mean — "we need 40%" is meaningless until everyone agrees on 40% of what.

The Bottom Line

Markup answers "how much do I add to cost?" Margin answers "how much of the price do I keep?" Price with markup, manage with margin, and convert between them deliberately — never by gut feel.