Break-even Calculator
Estimate break-even units and revenue from fixed cost and per-unit contribution margin.
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浏览器内运行这个工具能做什么
Estimate the minimum whole units needed to cover fixed costs using break-even units = fixed costs ÷ (selling price per unit − variable cost per unit). The calculator rounds units up and reports revenue at that whole-unit threshold.
If fixed costs are 12,000, price is 50, and variable cost is 30, contribution margin is 20 per unit; 12,000 ÷ 20 = 600 units and modeled break-even revenue is 30,000.
The result is a single-product planning estimate. It assumes constant price and unit cost and does not model product mix, stepped fixed costs, capacity limits, tax, financing, refunds, or timing.
这个工具可以完成什么
Returns 500 units and 25,000 revenue.
依赖结果前需要检查什么
- Assumes one product, constant price and variable cost, and no capacity, demand, tax, or financing constraints.
- Use scenario comparisons rather than treating one result as a forecast.
如何使用
- 1
Enter fixed costs for one consistent planning period, such as a month or year.
- 2
Enter selling price and variable cost for one unit using the same currency and tax basis.
- 3
Confirm that selling price exceeds variable cost so contribution margin is positive.
- 4
Review the rounded-up unit threshold and associated revenue, then stress-test changes in price or cost.
使用场景
Estimate how many units must sell before modeled contribution covers setup, equipment, rent, or campaign costs.
Change unit cost or selling price one at a time to see how contribution margin moves the break-even threshold.
Use fixed costs from one month, quarter, or year to create a threshold for the same reporting period.
使用技巧
Put costs that do not change with each unit in fixed costs. Put materials, transaction fees, packaging, and other per-unit amounts in variable cost.
Each unit covers fixed cost by selling price minus variable cost. A high selling price does not help if per-unit costs rise by the same amount.
Demand, product mix, returns, taxes, capacity, stepped costs, and cash timing can move the real break-even point away from this static estimate.
常见问题
What formula does the break-even calculator use?
It divides fixed costs by contribution margin per unit, where contribution margin is selling price minus variable cost. The result is rounded up to a whole unit.
Why must selling price exceed variable cost?
When price is equal to or below variable cost, every additional unit contributes zero or a loss toward fixed costs, so this model has no finite break-even volume.
How is break-even revenue calculated?
The tool multiplies the rounded-up break-even units by selling price. This can be slightly higher than the mathematical fixed-cost threshold because partial units cannot be sold.
Does this support multiple products or changing costs?
No. It assumes one product with constant price, variable cost, and fixed cost for the selected period. A product mix requires a weighted contribution-margin model.
Can I use this result as financial advice?
No. The result is an informational estimate based on the values you enter. Check the math, fees, taxes, and local rules before making financial decisions.
下一步常用工具
如果还需要校验、转换或复用结果，可以继续打开相近的浏览器本地工具。