Quick answer: break-even units = fixed costs ÷ (selling price − variable cost per unit). A bakery with ₹1,20,000 of monthly fixed costs, cakes priced at ₹600 and variable costs of ₹360 per cake breaks even at 500 cakes, or ₹3,00,000 of sales. Every cake after that adds ₹240 of profit.
Run your own numbers with the break-even calculator. This guide explains the formula, how to split costs correctly and how to use the result to make decisions.
The idea in one paragraph
Some costs arrive every month no matter how much you sell: rent, salaries, software, insurance, loan EMIs. Other costs rise with every sale: materials, packaging, delivery, payment fees. Each sale brings in its price and uses up its variable cost; what is left, the contribution, pays off the fixed costs. The break-even point is the sales volume where total contribution exactly equals fixed costs. Below it you lose money; above it you make profit.
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| Measure | Formula |
|---|---|
| Contribution per unit | Price − variable cost per unit |
| Contribution margin ratio | Contribution per unit ÷ price |
| Break-even units | Fixed costs ÷ contribution per unit |
| Break-even sales (₹) | Fixed costs ÷ contribution margin ratio |
| Units for target profit | (Fixed costs + target profit) ÷ contribution per unit |
| Margin of safety | (Expected sales − break-even sales) ÷ expected sales |
Example 1: a bakery
| Item | Monthly |
|---|---|
| Rent | ₹45,000 |
| Two staff salaries | ₹50,000 |
| Base electricity, internet, software | ₹10,000 |
| Loan EMI on ovens | ₹15,000 |
| Fixed costs | ₹1,20,000 |
| Average cake price | ₹600 |
| Ingredients, box, gas, delivery per cake | ₹360 |
Contribution per cake = ₹240. Ratio = 40%.
- Break-even = 1,20,000 ÷ 240 = 500 cakes = ₹3,00,000 of sales
- For ₹60,000 profit: (1,20,000 + 60,000) ÷ 240 = 750 cakes
- Open 26 days a month: about 19–20 cakes a day to break even
If the bakery expects to sell 650 cakes, its margin of safety is (650 − 500) ÷ 650 = 23%. Sales can fall almost a quarter before it makes a loss.
Example 2: a subscription software business
| Item | Monthly |
|---|---|
| Team, office and tools | ₹9,00,000 |
| Price per customer | ₹4,000 |
| Hosting, support and payment fees per customer | ₹800 |
Contribution per customer = ₹3,200. Break-even = 9,00,000 ÷ 3,200 = 282 paying customers (round up). Because the contribution ratio is high (80%), each new customer beyond that point adds a lot of profit, which is why software businesses focus on growth and retention.
Example 3: a clinic
A physiotherapy clinic charges ₹900 a session. Consumables and a therapist's per-session payout total ₹400. Fixed costs are ₹2,00,000. Break-even = 2,00,000 ÷ 500 = 400 sessions a month. With 3 therapists working 25 days, that is about 5–6 sessions each per day, a useful check on whether the plan is realistic.
Classifying costs correctly
Most errors come from putting a cost in the wrong bucket.
| Usually fixed | Usually variable | Semi-variable: split them |
|---|---|---|
| Rent and maintenance | Raw materials and stock | Electricity |
| Salaried staff | Packaging | Phone and internet plans with usage |
| Software subscriptions | Shipping and delivery | Staff with overtime or incentives |
| Insurance | Payment gateway fees | Marketing with a fixed base and per-lead spend |
| Loan EMIs, depreciation | Marketplace commission, sales commission | Vehicle costs |
For semi-variable costs, estimate the fixed base and the extra cost per unit. Include a fair salary for working owners in fixed costs.
Levers that move break-even
Taking the bakery as the base (500 cakes):
| Change | New break-even | Effect |
|---|---|---|
| Price up 10% to ₹660 | 400 cakes | −20% |
| Variable cost down 10% to ₹324 | 435 cakes | −13% |
| Fixed costs down 10% to ₹1,08,000 | 450 cakes | −10% |
| Price down 10% to ₹540 | 667 cakes | +33% |
A small price increase usually does more than a cost-cutting drive, and a discount raises break-even sharply. See profit margin vs markup for why discounts are so expensive.
Break-even with several products
Most businesses sell more than one thing. Use a weighted average contribution based on your sales mix.
| Product | Share of units | Contribution per unit | Weighted |
|---|---|---|---|
| Cakes | 50% | ₹240 | ₹120 |
| Pastries | 40% | ₹45 | ₹18 |
| Coffee | 10% | ₹90 | ₹9 |
| Average | ₹147 |
With ₹1,20,000 of fixed costs, break-even is 1,20,000 ÷ 147 = 817 items a month in this mix. If customers start buying more pastries and fewer cakes, the weighted contribution falls and break-even rises, even though total items sold stay the same.
Cash break-even
Accounting break-even includes non-cash costs such as depreciation. Cash break-even leaves them out but adds loan principal repayments, which are cash going out but not expenses. For a young business, cash break-even is often the more urgent number, because it tells you when you stop needing to add money from outside.
Limits of break-even analysis
- It assumes price and variable cost stay constant at all volumes. In reality, bulk buying lowers cost and discounts lower price.
- With many products, use a weighted average contribution based on your sales mix. If the mix shifts to lower-margin items, break-even rises.
- Fixed costs are fixed only within a range. Doubling volume may need a second shift, more space or more staff.
- It says nothing about cash timing. A business can be above break-even and still short of cash if customers pay late, so track receivables too.
Break-even for a new business plan
Lenders and investors often ask when a new business will break even. Build the answer month by month: fixed costs usually start high (rent deposits, hiring ahead of demand) while sales ramp up slowly. Plot expected monthly contribution against monthly fixed costs; the month where the lines cross is operating break-even, and adding up the losses before that month tells you how much working capital you need. Be conservative with the sales ramp. Most plans are too optimistic about how quickly customers arrive.
Turning the number into a daily target
Break-even is most useful when the whole team sees it. Convert it into daily units or daily sales, show progress on a dashboard, and review it every week. If you run a sales team, work backwards to the leads you need with the conversion rate calculator.
MizUp Finance brings sales, purchases and expenses together in real time, so you can see during the month, not after it, whether you have crossed break-even. Use the profit margin calculator to test price changes before you make them.
Frequently asked questions
What is the break-even point formula?
Break-even units = fixed costs ÷ (price per unit − variable cost per unit).
How do I calculate break-even in rupees?
Break-even sales = fixed costs ÷ contribution margin ratio, where the ratio is (price − variable cost) ÷ price.
What is margin of safety?
The percentage by which actual or expected sales exceed break-even sales: (expected sales − break-even sales) ÷ expected sales × 100.
Does break-even include the owner's salary?
It should. Include a fair salary for working owners in fixed costs, or the business may look profitable while paying the owner nothing.
How often should break-even be recalculated?
Whenever prices, supplier costs, rent or headcount change, and at least once a quarter.
