Profit Margin Calculator Widget

Add a profit margin calculator to your website. Visitors enter a cost and a selling price and see the profit, the gross margin and the markup side by side, or start from a target margin and get the price to charge.

Business & Ecommerce Calculator Runs in your browser Free · no ads

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Auto follows the visitor's light/dark setting.
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Attribution on your page
Optional and entirely your choice. The exact line is shown in the code below; it links to the tool with rel="nofollow".
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Starting values
Leave blank to use the widget's defaults. Visitors can still change every value.

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Exactly what your visitors will see

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<iframe src="https://a2z.tools/embed/w/profit-margin-calculator" title="Profit Margin Calculator by A2Z Tools" width="100%" height="540" style="border:0;width:100%" loading="lazy" allow="clipboard-write"></iframe>

A plain iframe. Works everywhere, including site builders that strip scripts. Adjust height if your content needs more room.

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How it works

The widget works in three directions. With a cost and a selling price it reports the profit, the gross margin (profit as a share of the selling price) and the markup (profit as a share of the cost), using the same definitions as the A2Z Profit Margin Calculator. With a cost and a target margin it solves for the selling price, and with a price and a target margin it gives the most the item can cost. A price below cost is reported as a negative margin with a warning rather than hidden.

Calculation method

  • Profit = selling price - cost
  • Gross margin % = profit / selling price x 100
  • Markup % = profit / cost x 100
  • Price for a target margin m = cost / (1 - m); maximum cost = price x (1 - m)

Worked examples

Cost 60, price 100

Inputs: Mode cost + price; cost 60; selling price 100

Result: Profit 40.00; gross margin 40%; markup 66.67%

Same profit, two different percentages.

Pricing for a 65% margin

Inputs: Mode cost + margin; cost 12.50; target margin 65%

Result: Selling price 35.71; profit 23.21; markup 185.71%

Price = cost / (1 - margin).

Selling below cost

Inputs: Mode cost + price; cost 120; selling price 100

Result: Profit -20.00; gross margin -20%; markup -16.67%

The widget warns that each sale loses money.

Limitations

  • Per-unit gross margin only: no overheads, returns, shrinkage, platform commissions or tax unless you add them to the cost.
  • Percentages are displayed rounded to 2 decimals; prices to the cent, without charm-pricing (for example .99 endings).

Where publishers use it

  • An ecommerce or dropshipping blog explaining how to price products for a healthy margin
  • A wholesaler's reseller page, so retailers can check their margin at the suggested retail price
  • Small-business accounting guides that need margin and markup shown together to avoid the common mix-up
  • Restaurant and food-cost articles working out menu prices from plate cost
  • Amazon FBA and marketplace-seller guides checking unit economics after referral and fulfilment fees

Questions

What is the difference between margin and markup?

Both describe the same profit. Margin divides it by the selling price, markup divides it by the cost. An item bought for 60 and sold for 100 has a 40% margin and a 66.67% markup.

Can a margin be 100% or more?

No. A 100% margin would mean the item cost nothing, so the widget accepts target margins below 100%. Markup has no upper limit.

Is this gross or net margin?

Gross margin on one item or order: selling price minus the cost you enter. Include shipping, packaging or payment fees in the cost if you want them counted; overheads such as rent belong in a net-margin calculation.

Does the widget store the numbers?

No. It calculates in the visitor's browser and nothing typed is sent or saved.

What price gives a 65% margin on a 12.50 item?

Divide the cost by (1 - 0.65): 12.50 / 0.35 = 35.71, a profit of 23.21 and a markup of 185.71%. Adding 65% to the cost instead would give 20.63, only a 39.4% margin - the classic pricing slip.

Why do retailers and wholesalers talk past each other?

Buyers and merchandisers usually plan in margin (profit over retail price) while suppliers and trades often quote markup on cost. The widget shows both side by side so a 50% markup is never mistaken for a 50% margin.

How is gross margin different from operating or net margin?

Gross margin subtracts only the cost of goods sold (COGS). Operating margin also subtracts rent, salaries, marketing and other operating expenses, and net margin subtracts interest and income tax too, so each is lower than the one before.

How do marketplace fees affect the margin?

Add referral commissions, fulfilment and payment fees to the cost before calculating. A product costing 12.50 that sells for 35.71 has a 65% margin on paper, but 6 of fees per sale lowers the real margin to about 48%.

Cite or recommend this tool

If you reference this tool in an article, course or documentation, these formats are ready to copy. They are optional - nothing is added to your site unless you paste it.

A2Z Tools Profit Margin Calculator
https://a2z.tools/profit-margin-calculator

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