Margin & Markup Calculator
Calculate profit margin and markup percentage from a product's cost and selling price.
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Margin and markup both describe profitability using the same underlying profit figure, but they divide by different bases â a distinction that trips up a lot of people pricing products, since the two percentages are never the same number for a given sale.
Profit is simply selling price minus cost: a product costing $50 and selling for $80 has $30 in profit. Margin expresses that profit as a percentage of the selling price: 30 Ă· 80 Ă 100 = 37.5%. Markup expresses the same $30 profit as a percentage of the cost instead: 30 Ă· 50 Ă 100 = 60%.
The gap between margin and markup grows as the profit percentage increases â at very low profit percentages the two numbers are close, but at high markups the difference becomes large (a 100% markup, doubling the cost, is only a 50% margin, since profit equals half of the selling price in that case, not the full selling price).
This distinction genuinely matters in business, because pricing decisions based on the wrong one produce very different results: a retailer aiming for a 50% margin needs to mark up cost by 100% (double it), not by 50% â a common and costly mistake when the two terms get conflated.
Margin is generally the more useful figure for understanding overall business profitability (since it's a percentage of revenue, which ties directly to financial statements), while markup is often more practical at the point of pricing an individual item (since it's calculated directly from a known cost you're marking up from).
Converting between the two uses a direct formula: margin = markup Ă· (1 + markup), and markup = margin Ă· (1 â margin), both expressed as decimals â useful if you know one figure and need the other without recalculating from the original cost and price.
Gross margin (what this calculator computes) is distinct from net margin, which also subtracts overhead, marketing, salaries, and every other operating expense beyond the direct product cost. A healthy gross margin doesn't automatically mean a profitable business overall â a company can have strong gross margins on paper while still losing money once all other costs are factored in.
Why are margin and markup different numbers?
Margin is profit as a percentage of the selling price; markup is profit as a percentage of the cost â the same dollar profit gives a smaller margin % than markup %.
How do I convert a markup percentage to a margin percentage?
Margin = markup Ă· (1 + markup), both as decimals â a 100% markup (1.00) converts to 1.00 Ă· 2.00 = 0.50, or 50% margin.
How do I convert a margin percentage to a markup percentage?
Markup = margin Ă· (1 â margin), both as decimals â a 50% margin (0.50) converts to 0.50 Ă· 0.50 = 1.00, or 100% markup.
Why does a 100% markup only equal a 50% margin?
A 100% markup means profit equals the full cost (doubling it), so profit is half of the final selling price â which is exactly what a 50% margin means, since margin is calculated against the selling price, not the cost.
Which figure should I use to price my products, margin or markup?
Markup is often more practical at the point of pricing (since you're marking up from a known cost), while margin is more useful for understanding overall business profitability relative to revenue â many businesses track both.
What's considered a good profit margin?
It varies enormously by industry â retail and grocery often operate on thin margins (single digits to low teens), while software and services often have much higher margins. There's no universal benchmark that applies across all business types.
Does this calculator account for other business expenses beyond product cost?
No â this calculates gross margin and markup based on the direct cost and selling price of a single item, not overhead, marketing, or other operating expenses that affect overall business profitability.
Can margin ever be negative?
Yes â if the selling price is lower than the cost, both profit and margin are negative, indicating the item is sold at a loss.
What's the difference between gross margin and net margin?
Gross margin (what this calculator computes) accounts only for direct product cost; net margin subtracts every other operating expense too, giving a more complete picture of overall profitability.
Can a business have a good gross margin but still be unprofitable?
Yes â strong gross margins on individual products don't guarantee overall profitability if overhead, marketing, and other operating costs consume the rest of the revenue.