Break-Even Calculator
Work out your break-even point in units and sales revenue from fixed costs, variable costs and price, free in your browser.
Enter Values
Before you rely on this: First-pass guide only. Verify safety-critical or regulated work against the relevant standards, your project requirements and a qualified professional.
How to use this calculator
- Enter fixed costs, price and variable cost per unit.
- Press Calculate.
How it works
Break-even units = fixed costs ÷ (price − variable cost) — how many you must sell to cover costs.
Worked example
$1,000 fixed, $10 price, $5 cost. = 200 units.
Common mistakes
- Leaving fixed costs out, or mixing them with variable per-unit costs.
- Forgetting that price must exceed the variable cost per unit, or you never break even.
Frequently asked questions
What is the break-even point?
The number of units (or revenue) where total income exactly covers total costs — no profit, no loss.
What if price is below unit cost?
Then each sale loses money and you can't break even — raise the price or cut the unit cost.
What is the contribution margin?
Price minus variable cost per unit — what each sale contributes toward fixed costs. Break-even = fixed costs ÷ contribution margin.
Related tools
- Gross Profit Calculator
- Profit Margin Calculator
- Cost Per Unit Calculator
- Profit and Loss Percentage Calculator
- ROI Calculator
- Markup to Margin Converter
Explore more in Finance, Business, Property & Pricing.
Cite this tool
Zerdly. (2026). Break-Even Calculator. Retrieved from https://www.zerdly.com/tools/break-even-calculator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.