How to use this calculator
Enter your fixed monthly costs, selling price, product cost, and variable cost per unit. The calculator estimates how many units must be sold before the store covers its costs.
Use the result to test pricing, supplier cost, or fixed expense changes before committing to a sales target.
What the result means
The result shows the minimum sales volume needed to reach zero profit. A lower break-even point means the store has more room for slow months, discounts, or demand fluctuations.
Contribution per unit = Selling price − Product cost − Variable cost. Break-even units = Fixed costs ÷ Contribution per unit.
If contribution per unit is zero or negative, the product cannot break even at the current price. Raise price or reduce unit costs first.