Free Tool

Profit Margin Calculator

Instantly calculate your profit margin and markup. Know exactly what you keep from every sale.

Enter Your Numbers
Input your cost and selling price to calculate your profit margin
$

Total cost to produce or acquire your product/service

$

The price you charge customers

Enter cost and selling price to see your results

Track Margins Automatically

Eonebill helps freelancers track profitability across all clients.

Common Scenarios

ExampleResult
$50 cost, $100 selling price50% margin
$200 cost, $350 selling price42.9% margin
$1,000 cost, $2,500 selling price60% margin

Why Every Freelancer Needs to Know Their Profit Margin

Understanding your profit margin isn't just accounting busywork—it's the foundation of a sustainable freelance business. Your profit margin tells you how much of every dollar you earn actually sticks to your bottom line after covering costs.

Most new freelancers price based on "what the market will bear" or "what feels right." But without calculating your actual margins, you could be working 60-hour weeks while barely breaking even. A 70% profit margin means you keep $70 of every $100 you bill—the other $30 covers your costs.

Industry standards vary dramatically. Software companies often enjoy 80%+ margins because their costs are fixed. Freelance designers and developers typically see 60-80% margins after accounting for tools and software. Retail operations, with physical inventory, often struggle to maintain 5-15%.

The key insight: markup and profit margin are not the same. A 100% markup (doubling your cost) only yields a 50% margin. If you charge $100 for something that costs $50, you keep half—not all—of that revenue as profit.

Use this calculator regularly. As your costs change, as you raise rates, or as you take on different client types, your margins shift. The freelancers who build sustainable businesses aren't necessarily the highest earners—they're the ones who understand their numbers intimately.