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Margin Calculator

Math

Calculate gross profit margin, markup percentage, and profit amount from cost and selling price. Free margin calculator for business, retail, and e-commerce.

Reviewed by the thecalcu.com team · Last updated July 19, 2026

$0$125,000
$0$125,000

Gross Margin

0.00%
Profit
+$0
Markup
0.00%
Revenue
$0

What is a Margin?

A Margin Calculator computes gross profit margin, the percentage of revenue retained as profit after accounting for the direct cost of goods or services. Enter a cost price and selling price, and the calculator instantly shows the gross margin percentage, markup percentage, profit amount, and total revenue.

Margin and markup are two ways to express the same profit relationship, but they use different reference points. Margin expresses profit as a fraction of revenue (the selling price). Markup expresses profit as a fraction of cost. This distinction matters because a 40% markup does not produce a 40% margin, it produces a 28.6% margin. Confusing the two leads to systematic underpricing, which is one of the most common pricing errors in small business.

Gross margin is the starting point for pricing decisions, profitability analysis, and business benchmarking. It does not include operating expenses (rent, salaries, software), taxes, or depreciation, those are accounted for in the net margin calculation. Use the Profit & Loss Calculator for a more complete income statement view.

Why Use a Margin Calculator?

Setting prices without knowing your margin is guesswork. Many business owners add what feels like a comfortable percentage to their cost, without realising they may be significantly underpricing. A retailer who "marks up 40%" is actually working at a 28.6% gross margin, and once operating costs are subtracted, may be near break-even or loss.

Common use cases: pricing a new product, evaluating whether a discount still leaves acceptable margin, comparing margins across SKUs or product lines, and preparing for investor or lender conversations that require gross margin data.

Who Should Use This Calculator?

Retailers and e-commerce sellers, calculate margin per product after all variable costs (product + shipping + platform fees) before setting a listing price.

Service providers and consultants, understand the margin on individual projects or service packages.

Product managers, evaluate the margin impact of pricing changes across SKUs.

Finance and accounting teams, quickly verify gross margin figures in pricing models or budget reviews.

Entrepreneurs and startup founders, price new products and validate the business model against industry margin benchmarks.

What Insights Does the Margin Calculator Give You?

Gross Margin (%), the primary output. What percentage of every rupee of revenue is profit after covering direct costs.

Markup (%), the same profit expressed as a percentage of cost. Useful when communicating with suppliers or when costs are the starting point for pricing.

Profit Amount, the absolute rupee profit per unit or transaction.

Revenue, the selling price, shown for reference.

How to use this Margin calculator

  1. Enter the Cost Price, the total direct cost to acquire or produce one unit (product cost, shipping, packaging, marketplace fees).
  2. Enter the Selling Price, the price you charge the customer.
  3. The Gross Margin, Markup, Profit Amount, and Revenue appear instantly.
  4. Adjust the sliders to explore different pricing scenarios.
  5. Use the results to set minimum prices that meet your margin target.

Formula & Methodology

Gross Margin:
Gross Margin (%) = (Selling Price − Cost) ÷ Selling Price × 100

Markup:
Markup (%) = (Selling Price − Cost) ÷ Cost × 100

Profit Amount:
Profit = Selling Price − Cost

Converting between margin and markup:
Markup = Margin ÷ (1 − Margin) Margin = Markup ÷ (1 + Markup)

Example:
- Cost Price: ₹500
- Selling Price: ₹800
- Profit: ₹300
- Gross Margin: 300 ÷ 800 × 100 = 37.5%
- Markup: 300 ÷ 500 × 100 = 60%

Frequently Asked Questions

Gross profit margin is the percentage of revenue remaining after subtracting the cost of goods sold (COGS). It is calculated as: (Selling Price − Cost) ÷ Selling Price × 100. A gross margin of 40% means that 40% of every rupee of revenue is profit, and 60% goes to cover the cost of the product or service.
Margin is calculated as a percentage of the selling price: (Profit ÷ Selling Price) × 100. Markup is calculated as a percentage of the cost price: (Profit ÷ Cost) × 100. For the same transaction, markup is always higher than margin. For example, if cost is ₹500 and selling price is ₹800, the margin is 37.5% but the markup is 60%.
They use different denominators. Margin divides profit by the selling price (revenue-based). Markup divides profit by the cost price (cost-based). A common mistake is to apply a percentage markup to a cost price and expect it to produce the same percentage margin, it never does. To achieve a 40% margin, you need a 66.7% markup, not a 40% markup.
It depends heavily on the industry. Software and SaaS businesses often operate at 60–80% gross margins. Retail typically runs at 20–50%. Supermarkets and grocery operate at 2–5%. A 'good' margin is one that covers all operating expenses and leaves a net profit after fixed costs. Compare your gross margin to industry benchmarks, not absolute numbers.
Rearrange the margin formula: Selling Price = Cost ÷ (1 − Margin%). For a desired 40% margin on a ₹500 cost: Selling Price = 500 ÷ (1 − 0.4) = ₹833.33. Do not add the margin percentage directly to the cost, that gives you the markup, not the margin.
Gross margin subtracts only the direct cost of goods sold (COGS) from revenue. Net margin subtracts all costs, COGS, operating expenses, taxes, interest, and depreciation. This calculator computes gross margin. Net margin requires your full income statement.
Yes, if the selling price is lower than the cost, the profit is negative, giving a negative margin. This happens when products are sold below cost during clearance sales, or when a business misprices a product. A persistent negative margin indicates the business is losing money on every unit sold.
Enter your total landed cost in the Cost Price field, including product cost, shipping, packaging, marketplace fees, and any other per-unit costs. This gives you the true gross margin after all variable costs are accounted for.
Gross Margin (%) = (Selling Price − Cost Price) ÷ Selling Price × 100. For example: Cost = ₹500, Selling Price = ₹800 → Profit = ₹300 → Gross Margin = (300 ÷ 800) × 100 = 37.5%.
In everyday conversation the terms are often used interchangeably, but in accounting and finance they are distinct. Margin is always referenced to revenue; markup is always referenced to cost. This calculator shows both so you can communicate the right number in the right context.
Start by setting a minimum acceptable margin (e.g. 30%) based on your overhead. Calculate the minimum selling price as Cost ÷ (1 − 0.30). Then check whether the market supports that price. If competitors sell lower, you need to reduce costs, not the margin target. If the market supports a higher price, you gain additional margin.
Also known as
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