Enter fixed costs, price per unit and variable cost to get break-even units and revenue.
Contribution per Unit = Selling Price per Unit − Variable Cost per Unit
Break-Even Units = Fixed Costs ÷ Contribution per Unit
Break-Even Revenue = Break-Even Units × Selling Price per Unit
The number of units you need to sell (or revenue to achieve) so that total costs equal total revenue—no profit, no loss.
If contribution margin (price minus variable cost) is zero or negative, each unit sold adds nothing or loses money, so you can never cover fixed costs.