⚖️ Break-Even Calculator
Calculate the break-even point for your business — how many units you need to sell to cover all costs.
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How Break-Even Analysis Works in Practice
The break-even formula is: Break-Even Units = Fixed Costs ÷ (Selling Price − Variable Cost per Unit). The denominator — Selling Price minus Variable Cost — is called the Contribution Margin. It represents how much profit each unit contributes toward covering fixed costs. Once you've sold enough units to cover all fixed costs, every additional unit sold contributes directly to profit.
Fixed costs are costs that don't change with production volume: rent, salaries, insurance, loan repayments, and software subscriptions. Variable costs change proportionally with output: raw materials, packaging, payment processing fees, and direct labour that's tied to production volume. Some costs (like utilities) are partly fixed and partly variable — they increase with usage but don't scale linearly. Treat semi-variable costs as fixed for simplicity in a break-even model, or use a more detailed spreadsheet model if precision matters.
Break-even in revenue terms: once you have the break-even unit number, multiply by your selling price to find the revenue break-even. For example, if you need to sell 500 units at $200 each, your break-even revenue is $100,000 per month. Comparing this to your current or projected revenue tells you your margin of safety — how far above break-even you're operating, expressed as a percentage. A higher margin of safety means the business can tolerate more downside before becoming unprofitable.
Pricing decisions interact directly with break-even. Raising your price increases the contribution margin, which reduces the break-even unit count. Lowering your price (to compete or run a promotion) increases the break-even unit count — which means you need to sell more just to cover your fixed costs. This is why discounting requires careful analysis and not just a gut feel.
Break-even analysis assumes all units are sold at the same price and all variable costs are constant per unit. In reality, volume discounts, price tiering, and mixed product lines complicate the picture. Use this calculator for a single product or service line, and build a more detailed model (see the Profit Calculator and Margin Calculator on CalForge) for multi-product businesses.
How to Calculate Break-Even Point
The break-even point is the level of sales at which total revenue equals total costs — neither profit nor loss. It is calculated by dividing fixed costs by the contribution margin per unit (selling price minus variable cost per unit).
Understanding break-even is essential before launching any product, service, or business. It tells you exactly how many units you need to sell to cover all your costs, and how much revenue you need before the business becomes profitable.