Month four at 4,100 units vs break-even 5,000—do we shut the line?
Not immediately. Model path to close 900 units: +EUR 1.10 contribution needs ~820 extra units or mix of price and volume. Set month-six gate with explicit actions.
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Break-Even Point
Break-Even Point: plain-English definition, formula, worked example, how to interpret the result, peer-based benchmark guidance, common mistakes, and management actions in the ZBI Business Control Library.
What is Break-Even Point?
Break-even is the volume where total contribution equals fixed costs—no profit, no loss. Fixed EUR 90,000 per month and contribution EUR 18 per unit means break-even at 5,000 units. I use it when approving a new line, a shift, or a channel test because revenue targets alone mislead when margin per unit is thin. Break-even moves when fixed costs step or when material shaves contribution—you need to recalculate, not rely on last year's slide.
Why Break-Even Point matters
Forecast 4,100 units against break-even 5,000 and you are 900 units short—roughly EUR 16,200 contribution gap against fixed before you pay interest or owner draw. Ignore break-even and you hire for a line that loses money at realistic volume. Sales incentives on revenue alone push discounting that raises break-even while volume looks fine. Customers do not see break-even directly—they see price increases when you finally reprice to close a gap you should have modelled at launch. The plant sees shift cuts when volume chronically sits below threshold.
Formula and variables
Break-Even Units = Fixed Costs ÷ Contribution Margin per Unit
Fixed costs — rent, salaried staff, depreciation policy line, etc., for the scope.
Contribution margin per unit — from price minus variable cost.
Excel: =IFERROR(B2/B3,0)
Break-even revenue = break-even units × price.
Real business example
Adriatic Assembly d.o.o., a EUR 2M manufacturer in Zadar, launches a sub-assembly line. Monthly fixed EUR 90,000 (lease, supervisor, allocated utilities). Average contribution EUR 18 per unit after variable material and labour. Break-even = 5,000 units/month. Month four actual 4,100 units—900 short, roughly EUR 16,200 contribution gap on fixed. They raise price 3% on two SKUs (+EUR 1.10 contribution) and land a second-shift customer order to close the gap by month six.
How to interpret the result
Break-even is a threshold to manage, not a revenue target to celebrate.
- Compare break-even to realistic capacity and pipeline—not annual plan ÷ 12 alone.
- Use cash fixed costs when liquidity is tight and depreciation is non-cash.
- Multi-product firms need weighted contribution or per-SKU break-even charts.
- Break-even rises when variable costs increase even if fixed stays flat.
Benchmark context
Healthy businesses run above break-even with a margin of safety—how much depends on volatility. Track actual volume ÷ break-even (e.g. 1.25×) versus prior quarters and bank forecast. Seasonal firms calculate peak and trough months separately. Industry rules about 'months to break-even' ignore mix; your portfolio contribution drives the real number.
Red flags
- Actual volume below break-even three months running—EUR 16k+ monthly shortfall pattern at EUR 18 contribution.
- Break-even rose after fixed add but sales target unchanged—gap structurally wider.
- Revenue above plan but below break-even in units—discounting masked volume shortfall.
- Break-even calculated on list price while actual net contribution is lower—false comfort.
- New line approved without break-even vs realistic ramp—capex loaded before volume proof.
Common mistakes
- Using gross margin percent instead of contribution per unit in the denominator.
- Omitting step-fixed costs that arrive with volume bands.
- Single-product break-even applied to diverse portfolio decisions.
- Ignoring discounting in the contribution input.
- Treating break-even as static after headcount adds.
What should management do next?
- Recalculate break-even within one week of any fixed-cost or material change.
- Show break-even vs forecast and actual on the monthly management pack.
- Scenario-plan break-even if material costs rise 5% and 10%.
- Link sales incentives to contribution dollars above break-even, not revenue alone.
- Use ZBI break-even calculator in new product gate reviews before capex release.
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FAQ
Should break-even include depreciation on the new line?
Management break-even often includes allocated fixed; cash break-even for liquidity reviews may exclude non-cash depreciation—pick one and label it.
Sales hit revenue target but we are below break-even—how?
Discounting and mix shifted contribution per unit down. Revenue is the wrong target; track contribution dollars vs EUR 90k fixed.
Can I lower break-even without cutting fixed costs?
Yes—raise contribution via price or variable cost reduction. Each EUR 1 on contribution drops break-even ~556 units at EUR 90k fixed.
When do I escalate below-break-even performance to the board?
When two consecutive months exceed 10% below break-even volume with no approved recovery plan funded.
Summary
Break-even shows the volume needed to cover fixed costs with contribution margin. Update it when costs or prices move, and compare actual volume to the threshold every month.
Reviewed by ZBI Business Control Library · Last updated 2026-06-15