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Break-even analysis tells you the minimum level of sales required to cover all costs — the point at which you are neither making a profit nor incurring a loss. Every unit sold beyond break-even contributes to profit.
Break-Even Units = Fixed Costs ÷ (Price per Unit − Variable Cost per Unit)
The denominator — Price minus Variable Cost — is called the contribution margin: the amount each sale contributes toward covering fixed costs and, once break-even is reached, generating profit.
Break-Even Revenue = Break-Even Units × Price per Unit
Or equivalently: Fixed Costs ÷ Gross Margin %
Applications for different business types
SaaS: Fixed costs = payroll + infrastructure. Variable cost per customer ≈ hosting, payment processing fees. Break-even = subscriptions needed to cover monthly costs.
Freelance / consulting: Fixed costs = overhead + desired salary. Price = day rate or project fee. Break-even = number of billable days per month.
E-commerce / physical products: Fixed costs = rent, warehouse, staff. Variable cost = COGS per unit. Break-even = units sold per period.
Frequently asked questions
What counts as a fixed cost vs. a variable cost? Fixed costs don't change with output volume (rent, salaried staff, software subscriptions). Variable costs scale directly with each unit sold (materials, payment fees, shipping, royalties).
How is break-even different from profitability? Break-even is the floor — zero profit, zero loss. Profitability begins above that. Break-even analysis is most useful early on to set a minimum sales target and evaluate whether a pricing model is viable before investing heavily.