Break-Even Calculator

Calculate your business break-even point in units and revenue. This tool processes all data locally in your browser. No information is ever sent to any server. Completely free, no registration required.

How to Use the Break-Even Calculator

1. Enter your input values above
2. Results update automatically
3. Copy or download the output

What is a Break-Even Calculator?

A Break-Even Calculator determines how many units of a product you need to sell to cover all your costs — the point where total revenue equals total expenses and you start making a profit. For any business, knowing your break-even point is fundamental to pricing strategy, budgeting, and investment decisions. The formula is deceptively simple: Fixed Costs ÷ (Selling Price per Unit − Variable Cost per Unit). But the implications are powerful — it tells you the minimum sales volume to avoid losses, how price changes affect profitability, and whether a business idea is viable before you invest a dollar.

How Does It Work?

Enter your fixed costs (rent, salaries, insurance — costs that don't change with production volume), variable costs per unit (materials, direct labor, shipping — costs that scale with each unit produced), and selling price per unit. The calculator computes: Break-Even Units = Fixed Costs ÷ (Price − Variable Cost), Break-Even Revenue = Break-Even Units × Price, and Contribution Margin = Price − Variable Cost. A chart visually shows where the revenue line crosses the total cost line.

Formula

Contribution Margin = Selling Price − Variable Cost per Unit\nContribution Margin Ratio = (Price − Variable Cost) ÷ Price\n\nBreak-Even Units = Fixed Costs ÷ Contribution Margin\nBreak-Even Revenue = Break-Even Units × Selling Price\n\nTarget Units = (Fixed Costs + Desired Profit) ÷ Contribution Margin\n\nMargin of Safety = (Actual Sales − Break-Even Sales) ÷ Actual Sales × 100%

Who Uses This Tool?

• Startup founders evaluating whether a business model is viable
• Product managers assessing new product launch feasibility
• Small business owners setting minimum sales targets
• Pricing strategy — how does a $5 price change affect break-even?
• Investors evaluating business plans and funding requirements

Pro Tips

• A high contribution margin ratio means each sale contributes more to covering fixed costs. Software/SaaS businesses typically have 70-90% ratio; retail might be 25-40%
• Lowering price to 'make it up in volume' is dangerous: if your contribution margin is $20/unit, a $5 price cut requires 33% more sales just to break even at the same profit
• Fixed costs are not truly 'fixed' forever. As you scale, you'll need more space, staff, and equipment. Recalculate break-even whenever fixed costs change significantly
• Break-even analysis assumes all units sell at the same price. For businesses with tiered pricing or discounts, use the average selling price

Frequently Asked Questions about Break-Even Calculator

What's a good break-even point?

A break-even point you can realistically achieve within your available capital and timeframe. If you need to sell 10,000 units/month to break even but your market size is only 5,000, the business model isn't viable without changes to pricing or costs.

How do I reduce my break-even point?

Three levers: (1) reduce fixed costs (negotiate rent, automate tasks), (2) reduce variable costs (find cheaper suppliers, improve efficiency), (3) increase price (if market allows). Small changes compound: a 5% cost reduction + 5% price increase can lower break-even by 20%+.

Free online Break-Even Calculator — no signup, 100% client-side processing. All data stays in your browser.