Markup Calculator.

What is a markup calculator?

A markup calculator takes the two numbers every seller already knows — what a product costs you and the markup you want to add — and turns them into the three numbers you actually need to price with confidence: the selling price, your profit per unit, and your real profit margin. The tool above does all of it live, the moment you type. There is nothing to install, no account to create, and no spreadsheet to maintain.

Markup is one of the oldest ideas in commerce and also one of the most quietly misunderstood. Most founders can tell you what they paid for a product and what they sell it for, but freeze when asked what their margin is — because markup and margin look similar and measure profit from two different starting points. This calculator exists to remove that friction: type a cost, drag the markup, and watch the price, profit, and margin update together.

Pricing is the single highest-leverage decision a new store makes. Spend a thousand dollars on ads and you move one campaign; change a price and you move every order, forever. Yet most first-time sellers pick a price by gut — copying a competitor or rounding to a number that “feels right” — without ever checking what margin it actually leaves them once costs are paid. A markup calculator is the fastest way to replace that guesswork with a number you can defend. It is deliberately simple so you can run a dozen scenarios in a minute: try a low markup for a loss-leader, a keystone markup for a staple, and a premium markup for your hero product, and compare the margins side by side before you commit to a price.

The markup formula, explained

The math behind the calculator is three short steps:

• Selling price = cost × (1 + markup% ÷ 100). The markup is a percentage of your cost, so you add it on top of the cost to get the price.
• Profit = selling price − cost. The dollars you keep on every unit before other expenses.
• Profit margin = profit ÷ selling price × 100. The same profit, but expressed as a slice of the price the customer pays.

That last line is the one that catches people out, and it's the reason this tool shows margin right next to markup. They are not interchangeable. Markup is measured against cost; margin is measured against price. As Shopify puts it, “margin is a percentage of the selling price, whereas markup is a percentage of the cost.” Same dollars, different denominator.

Markup vs. margin — the confusion this tool resolves

Here is the conversion that trips up most new sellers, and the one this calculator solves on sight:

• A 20% markup is a 16.7% margin.
• A 25% markup is a 20.0% margin.
• A 50% markup is a 33.3% margin.
• A 100% markup is a 50% margin — this is “ keystone” pricing, doubling your cost.
• A 150% markup is a 60.0% margin.

The pattern: markup is always the bigger number, because cost is always smaller than price. If you quote a margin to an investor when you meant markup, you've overstated your profitability. If you set a 30% markup thinking it gives you a 30% margin, you're thinner than you planned. The formulas to convert are: margin = markup ÷ (100 + markup) × 100, and markup = margin ÷ (100 − margin) × 100. The calculator above runs both directions for you so you never have to.

A worked example

Say a candle costs you $8 all-in — wax, wick, jar, label, and your share of packaging. You apply a 150% markup:

• Selling price = $8 × (1 + 1.50) = $20.00
• Profit per unit = $20.00 − $8.00 = $12.00
• Profit margin = $12.00 ÷ $20.00 × 100 = 60.0%

So a 150% markup on that candle leaves you with a 60% margin — a healthy figure for a handmade product. Now drop the markup to 50% and the price falls to $12, the profit to $4, and the margin to 33.3%. Same product, very different business. Seeing all three move together is the whole point of the tool.

What markups and margins look like in the wild

Real benchmarks help you sanity-check your number against your category:

• The classic retail default is keystone pricing — a 100% markup that doubles wholesale cost and yields a 50% gross margin. Most retailers use keystone as a starting point and adjust from there.
• Markups vary enormously by category: grocery and consumer electronics often sit around 10–35%, apparel and beauty around 100–200%, and eyewear or luxury goods can reach 200–500%, according to industry markup benchmarks.
• On the margin side, the average ecommerce store runs roughly a 60–65% gross margin, with beauty at 65–85% and apparel at 50–65%, per TrueProfit's benchmark data across thousands of stores.
• Shopify considers a 5% net profit margin low, 10% average, and 20% high — a reminder that gross margin is the start of the story, not the end of it.

How to improve your markup and margin

If your number is thinner than the benchmarks, you have four levers:

• Lower your true cost. Negotiate supplier pricing, order in larger batches to hit volume breaks, or cut packaging and shipping waste. Every dollar off cost widens the margin without touching the price.
• Raise the price thoughtfully. Small, well-framed increases rarely cost you sales if the product carries enough perceived value. Test, don't guess.
• Sell a better mix. Push customers toward your higher-margin products and bundles instead of leading with your thinnest items.
• Price the full cost, not the bare product. Fold shipping, payment fees, and per-unit overhead into the cost field before you mark up. A markup on an incomplete cost is the most common way sellers quietly lose money on every order.

Markup calculator FAQ

Related tools & definitions

Keep going: read the markup definition and the profit margin definition in our glossary, brush up on cost of goods sold (COGS) so you mark up the right number, or turn your pricing into a real plan with the ecommerce business plan generator.

• Markup (glossary) — The plain-English definition, with examples.
• Profit margin (glossary) — Gross, operating, and net margin explained.
• Business Plan Generator — Turn your pricing into a full plan.