Break-Even Calculator
Calculate the exact sales volume needed to cover all costs and start generating profit.
Rent, salaries, insurance, and other fixed expenses
Materials, labor, and other costs per unit produced
Selling price per unit
What is Break-Even Calculator?
Break-even analysis is a fundamental business calculation that tells you the minimum level of sales needed to cover all your costs — the point at which total revenue equals total costs and your business neither makes nor loses money. Every unit sold above the break-even point generates profit; every unit below generates a loss. Understanding your break-even point is essential for setting prices, planning production volumes, evaluating new products, and making investment decisions. Break-even analysis requires separating costs into two types: fixed costs (rent, salaries, software subscriptions — costs that don't change with sales volume) and variable costs (raw materials, transaction fees, shipping — costs that increase with each unit sold). The contribution margin (selling price minus variable cost per unit) represents how much each sale contributes toward covering fixed costs and eventually profit. This calculator performs full break-even analysis with visual break-even charts.
How to Use Break-Even Calculator
- 1
Enter Fixed Costs
List all fixed costs: monthly rent, salaries, software, insurance, loan repayments — costs that remain constant regardless of how much you sell.
- 2
Enter Variable Costs and Price
Input the variable cost per unit (materials, packaging, transaction fees) and your selling price per unit.
- 3
View Break-Even Analysis
See your break-even point in units and revenue, contribution margin, margin of safety, and a profit/loss chart showing how profit grows beyond break-even.
Use Cases
New Product Launch Feasibility
Before investing in a new product, calculate how many units you need to sell to recover development costs, manufacturing setup, and marketing. If break-even requires 10,000 units but your realistic market is 2,000 units, the product is not financially viable at the proposed price — you need to either reduce costs or increase the price.
Pricing Strategy
Test different price points to see how they affect break-even volume. A higher price reduces the number of units needed to break even but may reduce demand. Finding the price where break-even volume is achievable within your market capacity is the core of pricing strategy.
Investment Justification
When a fixed cost investment (new equipment, additional staff, office space) will enable higher production capacity, calculate the new break-even point to determine how much additional sales volume is needed to justify the investment.
Features
Break-Even in Units and Revenue
Calculates both the number of units needed to break even AND the revenue amount — so you can compare against your realistic sales capacity.
Contribution Margin Analysis
Shows contribution margin per unit and as a percentage of selling price — the key metric for understanding how efficiently your pricing covers fixed costs.
Profit/Loss Chart
Visual break-even chart plotting total revenue and total costs against sales volume — clearly showing the break-even intersection and profit zone above it.
Margin of Safety
Calculates margin of safety — how much sales can decline from current levels before you reach the break-even point — a key risk metric for business planning.
Frequently Asked Questions
Break-Even Units = Fixed Costs / Contribution Margin per Unit, where Contribution Margin = Selling Price - Variable Cost per Unit. Example: Fixed costs $10,000/month, selling price $50, variable cost $20/unit. Contribution margin = $50 - $20 = $30. Break-even = $10,000 / $30 = 334 units/month. Break-even revenue = 334 × $50 = $16,700/month. Above 334 units, every additional sale generates $30 in profit.
Contribution margin is the portion of each sale that contributes to covering fixed costs and generating profit, after variable costs are paid. It equals Selling Price minus Variable Cost per unit. A high contribution margin means each sale covers a larger share of fixed costs — so you break even at lower volume. A low contribution margin (common in retail with thin margins) requires high volume to break even. Contribution margin percentage (contribution margin / selling price) is useful for comparing the profitability structure of different products.
Margin of safety measures how much your actual sales exceed break-even sales, expressed as a percentage of actual sales. Formula: (Actual Sales - Break-Even Sales) / Actual Sales × 100. If you currently sell 500 units and break-even is 334 units, margin of safety = (500-334)/500 × 100 = 33.2%. This means sales could drop by 33.2% before you start making a loss. Higher margin of safety = lower risk. A margin of safety below 20% indicates the business is operating close to break-even and is vulnerable to sales downturns.
When a business sells multiple products with different contribution margins, break-even analysis requires calculating a weighted average contribution margin based on the sales mix. Example: Product A (60% of sales, $30 CM) and Product B (40% of sales, $15 CM): Weighted CM = 0.6×$30 + 0.4×$15 = $18 + $6 = $24. Then: Break-even units = Fixed Costs / $24. Changes in sales mix affect break-even even if total volume stays constant — selling more of the low-margin product increases break-even requirements.
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