Break-even Calculator
Find the number of units or sales revenue needed to cover your fixed and variable costs.
Calculate Your Break-even Point
Enter your business costs and selling price below.
What Is a Break-even Calculator?
A Break-even Calculator determines the sales volume at which a business covers all of its costs. At the break-even point, total revenue is equal to total costs, so there is neither a profit nor a loss.
This calculation is useful when setting prices, planning production, evaluating a new product, estimating sales targets, or understanding how fixed and variable costs affect profitability.
How to Use the Break-even Calculator
- Enter your total fixed costs.
- Enter the variable cost associated with producing one unit.
- Enter the selling price of one unit.
- Select Calculate Break-even.
- Review the break-even units, break-even sales, contribution per unit, and contribution margin.
Break-even Formula
The standard break-even formula for units is:
The difference between the selling price and variable cost is the contribution margin per unit. Each unit sold contributes this amount toward recovering fixed costs.
Break-even sales revenue can then be calculated by multiplying the break-even number of units by the selling price per unit.
Break-even Example
Suppose a business has $10,000 in fixed costs, a variable cost of $20 per unit, and a selling price of $50 per unit.
Break-even units: $10,000 ÷ $30 = 333.33 units
Required whole units: 334 units
Break-even sales: 334 × $50 = $16,700
The business therefore needs to sell approximately 334 units to fully cover its fixed and variable costs when using whole-unit sales.
Understanding the Results
Break-even Units
This is the number of units that must be sold for total revenue to cover total costs. Because products are normally sold as whole units, the calculator rounds the required sales quantity upward.
Break-even Sales
This represents the sales revenue associated with the required break-even quantity.
Contribution per Unit
This is the selling price minus the variable cost per unit. It shows how much each sale contributes toward covering fixed costs.
Contribution Margin
The contribution margin expresses the contribution per unit as a percentage of the selling price.
Fixed Costs vs. Variable Costs
Fixed costs generally remain unchanged as production volume changes within a relevant operating range. Examples can include rent, certain salaries, insurance, and other recurring business expenses.
Variable costs change according to production or sales volume. Examples can include raw materials, packaging, transaction fees, and per-unit manufacturing costs.
Separating these costs correctly is important because the break-even calculation depends on the difference between selling price and variable cost.
Why Break-even Analysis Matters
- Helps establish realistic sales targets.
- Shows how pricing decisions affect required sales volume.
- Highlights the effect of fixed costs on profitability.
- Helps compare different pricing or cost scenarios.
- Provides a simple starting point for financial planning.
- Can help evaluate whether a product or business model is commercially viable.
What Happens When the Selling Price Changes?
A higher selling price generally increases the contribution per unit, which lowers the number of units required to reach break-even, assuming other costs remain unchanged.
A lower selling price reduces the contribution per unit and therefore increases the required break-even volume.
What Happens When Variable Costs Increase?
When variable cost per unit increases while the selling price remains unchanged, the contribution per unit becomes smaller. This means more units must be sold to recover the same fixed costs.
What Happens When Fixed Costs Increase?
An increase in fixed costs raises the amount that must be recovered before the business reaches break-even. If selling price and variable cost remain unchanged, the break-even quantity increases.
Common Break-even Calculation Mistakes
- Forgetting to include all relevant fixed costs.
- Using total variable costs instead of variable cost per unit.
- Confusing selling price with contribution per unit.
- Using an unrealistic selling price.
- Ignoring changes in costs or pricing over time.
- Assuming the break-even point guarantees profitability.
Frequently Asked Questions
What is the break-even point?
The break-even point is the sales level where total revenue equals total costs. At this point, the business has no profit and no loss.
What is the break-even formula?
Break-even units are calculated by dividing fixed costs by the selling price per unit minus the variable cost per unit.
Why does the calculator round up the break-even units?
A business normally cannot sell a fraction of a physical unit. Rounding upward ensures the calculated quantity fully covers the fixed costs based on the entered assumptions.
What if my selling price equals my variable cost?
There is no contribution toward fixed costs in that situation, so a conventional break-even point cannot be reached through unit sales alone.
Can I use this calculator for a new product?
Yes. You can estimate fixed costs, variable cost per unit, and expected selling price to determine the approximate sales volume needed to reach break-even.
Related Tools
Find Your Break-even Point
Enter your costs and selling price to see how many units you need to sell to cover your costs.
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