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How to Find the Month You Break Even
Heshan Fernando
Co-founder & COO
“We break even in month eleven” is the sentence in most early business plans. It is usually true and it is answering the less important question.
Month eleven is when the business stops losing money each month. It has still spent everything it spent getting there, and it has not earned any of it back.
Two break-even points, months apart
Monthly break-even is when gross profit covers fixed costs. From this month on, the business is not making the hole deeper.
Cumulative break-even is when accumulated profit has repaid the startup costs and every month of losses along the way. This is when the business has actually paid for itself.
The second is always later, often by a long way. A business reaching monthly break-even in month 11 might not reach cumulative break-even until month 19 or beyond, depending on how deep the hole was and how fast it fills.
Most plans quote the first and fund for the first, which is the mechanism behind a lot of businesses running out of money while technically profitable.
| Milestone | Month | Meaning |
|---|---|---|
| First profitable month | 11 | Stops getting worse |
| Maximum cash requirement | 10 | Deepest point — the funding number |
| Cumulative break-even | 19 | Has repaid what it cost |
The maximum cash requirement is the number to raise
Plot cumulative position month by month and it falls, bottoms out, and climbs. The bottom is the most money the business will ever be down.
That figure — not the startup cost, not the first year’s losses — is what has to be funded. It arrives shortly before monthly break-even, and it is invariably larger than the startup cost, because it includes every month of operating losses on the way.
Raising to the startup cost and planning to be profitable by month eleven means running out somewhere around month eight.
Adding a margin on top is ordinary prudence. The maximum requirement is calculated from assumptions, and the assumption most likely to be wrong is the revenue ramp.
Test the ramp, not the costs
Cost estimates in a plan are usually reasonable. Rent is rent, salaries are salaries, and they are known within a range.
The revenue ramp is a guess presented as a projection. “18% monthly growth” is a modelling convenience, and compounded over eighteen months it produces a number with no evidential basis at all.
The useful exercise is to run the projection again at half the assumed growth rate and see what happens to the maximum cash requirement and the break-even months. If the business survives that scenario, the plan is robust. If it does not, the plan depends on the one input nobody can support.
Model seasonality if you have it
A steady monthly growth rate is a modelling convenience that suits few real businesses.
Retail concentrates revenue in a few months. Services slow over holiday periods. Anything selling to schools or governments follows their budget cycles.
A projection assuming even growth through a business with a strong seasonal pattern gets the break-even month roughly right by accident and the cash trough badly wrong — because the trough falls in the quiet season, and a model without seasonality does not know there is one.
Where there is a comparable business or a prior year’s data, applying its monthly shape to your growth curve produces a much more useful cash requirement. Where there is not, running the projection with the quiet months assumed early is the conservative version.
Common mistakes to avoid
- Quoting monthly break-even as though it were the point the business has paid for itself.
- Funding to the startup cost rather than the maximum cash requirement.
- Using a constant monthly growth rate for eighteen months without testing a slower one.
- Ignoring the timing gap between invoicing and being paid, which makes the cash curve deeper than the profit curve.
- Treating a projection as a forecast rather than as a structured set of assumptions.
How to do it with Business Break-Even Timeline
The Business Break-Even Timeline projects both milestones and the cash trough.
- Enter startup costs, monthly fixed costs, gross margin and a revenue ramp.
- Read both break-even points, which are months apart.
- Note the maximum cash requirement — that is the funding figure.
- Run it again at half the growth rate and see whether the plan survives.
Other business calculators are in the tools directory.
Frequently asked questions
What is the difference between the two break-even points?
Monthly break-even is the first month that does not lose money. Cumulative break-even is when the business has repaid its startup costs and accumulated losses — always later, and the one that matters for funding.
What is the maximum cash requirement?
The deepest point of the cumulative curve, which is the most the business will ever be down. It is larger than the startup cost and it is what needs funding.
How reliable is a growth assumption?
Not very. A constant monthly growth rate is a modelling convenience. Running the projection at half that rate is the fastest way to find out whether the plan depends on it.
Final thought
Find the bottom of the cash curve and raise to it with margin. Monthly break-even is a milestone; the trough is the number that decides whether you reach it.