Every business has a break-even point. It is the exact sales level where your revenue equals your total costs. Below that line, you are losing money. Above it, every dollar is profit. Knowing your break-even point is not optional — it is how you set prices, plan inventory, and survive your first year.
What Is Break-Even Analysis?
Break-even analysis separates your costs into two categories. Understanding both is the foundation of the calculation.
- Fixed costs: Rent, salaries, insurance, software subscriptions — costs that do not change with sales volume
- Variable costs: Materials, shipping, transaction fees, commissions — costs that increase with each unit sold
- Contribution margin: Selling price minus variable cost per unit — the amount each sale contributes to covering fixed costs
Step 1: The Break-Even Formula
The formula is straightforward. Divide your total fixed costs by the contribution margin per unit. The result is the number of units you must sell to break even.
Break-Even Formula:
Break-Even Units = Fixed Costs / (Selling Price - Variable Cost per Unit)
Break-Even Revenue = Break-Even Units x Selling PriceStep 2: Work Through an Example
Suppose you run a coffee shop. Your monthly fixed costs are $3,000. Each coffee sells for $4. The variable cost (beans, cup, lid) is $1.50 per cup.
- Fixed costs = $3,000
- Selling price = $4.00
- Variable cost = $1.50
- Contribution margin = $4.00 - $1.50 = $2.50
Result:
Break-even units = $3,000 / $2.50 = 1,200 coffees per month
Break-even revenue = 1,200 x $4.00 = $4,800 per month
Step 3: Lower Your Break-Even Point
Once you know your break-even point, you can attack it from three angles:
- Raise prices: A higher selling price increases your contribution margin
- Cut variable costs: Negotiate better supplier rates or reduce waste
- Reduce fixed costs: Move to cheaper software, renegotiate rent, or trim headcount
Pro tip: A small price increase often has a bigger impact than a small cost cut. Raising your price from $4 to $4.50 on the example above drops break-even from 1,200 coffees to 1,000 — a 17% reduction.
Step 4: Use the Break-Even Calculator
Stop doing this in a spreadsheet. The Break-Even Calculator computes your break-even units and revenue instantly. Adjust fixed costs, variable costs, and selling price to see how each change affects your target.
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