What's the difference between margin and markup?

Margin is profit as a percentage of revenue; markup is profit as a percentage of cost. Use the Markup Calculator for the latter.

Profit Margin Calculator

Profit margin measures how much of your revenue is profit after subtracting the cost of goods sold.

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Formula

Margin = (Revenue − Cost) / Revenue × 100

Essential Business Metrics: Margin, Break-Even, and ROI Explained

The difference between margin and markup, how break-even analysis works, and what counts as a healthy ROI — with real numbers.

How to Calculate Your Business's Break-Even Point

The break-even formula explained with a real product-pricing example and why contribution margin is the key variable.

Profit Margin vs. Markup: Why They're Never the Same Number

The math showing exactly why margin and markup differ for the same sale, with a worked example and a conversion formula.

Markup Calculator

Calculate the selling price and markup percentage from cost.

Break-Even Point Calculator

Determine how many units you need to sell to cover your costs.

Gross Pay Calculator

Calculate gross pay from hourly rate, hours worked, and overtime.

Cost Per Unit Calculator

Calculate the cost per unit given total cost and quantity produced.

Customer Lifetime Value Calculator

Estimate the total value a customer generates over their relationship with your business.

Invoice Late Fee Calculator

Calculate late payment fees on an overdue invoice.