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Cost + any one value → price, profit, margin, and markup.
💡 Margin and markup are NOT the same: a 100% markup (doubling your cost) is only a 50% margin. Margin divides profit by PRICE; markup divides profit by COST. Mixing them up is the #1 pricing mistake in e-commerce.
Margin is profit divided by the selling price; markup is profit divided by your cost. A 100% markup (doubling a $40 cost to $80) is only a 50% margin. A "30% markup" is a 23% margin. Sellers who price at "30% margin" when they meant "30% markup" systematically underprice — this tool converts between the two instantly so quotes, decks, and marketplaces always speak the same language.
From markup to margin: Margin = Markup ÷ (1 + Markup). From margin to markup: Markup = Margin ÷ (1 − Margin). To hit a target margin, price at Cost ÷ (1 − Margin); to apply a markup, price at Cost × (1 + Markup). Enter cost plus any one of price / margin / markup and every other figure fills in automatically.
Grocery stores run 25-30% gross margins, software companies 70-90%, luxury fashion 60-75%, and restaurants barely 60-70% on food before labor. Amazon's marketplace fees alone eat 8-15% of price, so an FBA seller quoting "50% margins" without landing costs is really running 25%. Benchmark against your industry before assuming your margin is healthy.
Margin tells you if a product is worth selling; markup multipliers keep quotes fast. Keep both in view when costs rise: a supplier increase of 10% on an item you mark up 50% only needs a ~7% price bump to hold margin — most sellers round up and quietly pocket the difference.
The Profit Margin Calculator lets you figure out profit margin calculatorinstantly, without reaching for a spreadsheet or doing the math by hand. Whether you're planning a budget, checking a loan, or working through homework, the tool applies the correct formula behind the scenes and shows the result the moment you enter your numbers.
Unlike a static chart or table, this calculator adapts to your exact inputs. You can adjust any value and see the outcome update in real time, which makes it easy to compare scenarios — for example, "what if the rate were 1% lower?" or "what if I paid an extra $50 a month?"
Common uses: people reach for this tool when they need to find a margin to markup converter, profit margin calculator from cost and selling price, how to calculate profit margin per unit, or target margin pricing calculator.
Browser-based tools like this one have a few real advantages over installed software or manual methods:
The Profit Margin Calculator is based on the following formula:
Margin = Profit ÷ Price · Markup = Profit ÷ Cost · Price = Cost ÷ (1 − Margin)
Variables: Margin = Gross margin (Profit ÷ Price, %) Markup = Markup on cost (Profit ÷ Cost, %) Price = Selling price ($) Cost = Unit cost ($) Profit = Price − Cost ($)
Margin and markup describe the same profit from two bases: margin divides by selling price, markup by cost. To hit a target margin m, price at Cost ÷ (1 − m); a 100% markup equals a 50% margin.
Worked example: Step 1: Cost = $60, Price = $100 → Profit = $40. Step 2: Margin = 40 / 100 = 40%; Markup = 40 / 60 ≈ 66.7%. Step 3: pricing for a 40% target margin: Price = 60 / (1 − 0.40) = $100. Result: the same $40 profit is a 40% margin but a 66.7% markup — always check which base a quote uses.
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