Current
- Contribution margin / unit
- $23
- Break-even (whole units)
- 348 units
- Break-even revenue
- $12,180
- Expected profit/(loss)
- $3,500
- Margin of safety
- 30.4%
Baseline plan — the alternatives are compared against this one.
Back to Quik-Calc
Business
Break-Even Calculator
Estimate the exact unit volume and revenue needed to cover your costs.
01 / Inputs
Cost Inputs
02 / Your estimate
Break-Even Results
Results update live as you edit the inputs.
Break-Even Units2,265
- Break-Even Revenue$215,175
- Contribution Margin55.79%
- Contribution / Unit$53
- Margin of Safety-2.95%
Break-Even Point Indicator
Your expected volume (2,200 units) is 65 units below the 2,265-unit break-even — shortfall of 3.0% (negative margin of safety).
Break-Even Decision Comparison
Edit any plan below and every figure recomputes instantly — three independent scenarios, compared against your Current plan. Negative entries are clamped to $0; if a price is not above its variable cost, that plan's break-even is shown as unattainable rather than a false quantity.
Current
Alternative A
Alternative B
| Metric | Current | Alternative A | Alternative B |
|---|---|---|---|
| Contribution margin / unitSelling price minus variable cost per unit | $23 | $28vs Current: +$5 | $20vs Current: -$3 |
| Break-even quantity (whole units, rounded up)Minimum whole units to cross $0 — the exact zero point is fractional | 348 units | 286 unitsvs Current: -62 units | 325 unitsvs Current: -23 units |
| Break-even revenueBreak-even units x selling price | $12,180 | $11,440vs Current: -$740 | $10,400vs Current: -$1,780 |
| Expected profit/(loss) at expected volumeContribution x expected volume - fixed costs (exact-zero-point profit, not re-based onto the rounded-up quantity) | $3,500 | $4,600vs Current: +$1,100 | $4,700vs Current: +$1,200 |
| Margin of safety(expected volume - break-even) / expected volume; n/a below break-even | 30.4% | 36.4%vs Current: +6.0 pts | 42.0%vs Current: +11.6 pts |
Alternative A
- Contribution margin / unit
- $28
- Break-even (whole units)
- 286 units
- Break-even revenue
- $11,440
- Expected profit/(loss)
- $4,600
- Margin of safety
- 36.4%
vs Current — contribution margin: +$5 · break-even units: -62 units · break-even revenue: -$740 · profit: +$1,100 · margin of safety: +6.0 pts
Alternative B
- Contribution margin / unit
- $20
- Break-even (whole units)
- 325 units
- Break-even revenue
- $10,400
- Expected profit/(loss)
- $4,700
- Margin of safety
- 42.0%
vs Current — contribution margin: -$3 · break-even units: -23 units · break-even revenue: -$1,780 · profit: +$1,200 · margin of safety: +11.6 pts
| Plan | Profit/(loss) at expected volume | Break-even revenue |
|---|---|---|
| Current | $3,500 | $12,180 |
| Alternative A | $4,600 | $11,440 |
| Alternative B | $4,700 | $10,400 |
What these numbers mean
Alternative A reaches break-even with the fewest units, at 286 units, versus 325 units for Alternative B and 348 units for Current — 62 units fewer than your current plan's 348 units.
At the expected volumes entered, projected profit (loss) is: Current $3,500 at 500 units, Alternative A $4,600 at 450 units (+$1,100 vs Current), and Alternative B $4,700 at 560 units (+$1,200 vs Current). Profit is contribution x volume minus fixed costs, without re-basing onto the rounded-up break-even quantity, so every figure here matches the table exactly.
Margin of safety — how far sales can fall before a plan slips into a loss: Current 30.4%, Alternative A 36.4%, and Alternative B 42.0%.
These figures recompute directly from the numbers you enter. This comparison is arithmetic, not a forecast — it cannot predict demand, and the expected sales volume for each plan is an assumption you supply. All calculations run in your browser; nothing is stored or sent anywhere.
View plain-text summary (inputs, assumptions, results, deltas)
QUIK-CALC BREAK-EVEN DECISION COMPARISON ======================================== Scenario 1 — Current Fixed costs: $8,000 | Selling price/unit: $35 | Variable cost/unit: $12 | Expected volume: 500 units Contribution margin/unit: $23 (65.7% of price) Break-even (whole units, rounded up): 348 units (exact zero point: 347.83 units) Break-even revenue: $12,180 Expected profit/(loss) at 500 units: $3,500 Margin of safety: 30.4% Scenario 2 — Alternative A Fixed costs: $8,000 | Selling price/unit: $40 | Variable cost/unit: $12 | Expected volume: 450 units Contribution margin/unit: $28 (70.0% of price) Break-even (whole units, rounded up): 286 units (exact zero point: 285.71 units) Break-even revenue: $11,440 Expected profit/(loss) at 450 units: $4,600 Margin of safety: 36.4% vs Current: contribution margin +$5; break-even -62 units; break-even revenue -$740; profit +$1,100; margin of safety +6.0 pts Scenario 3 — Alternative B Fixed costs: $6,500 | Selling price/unit: $32 | Variable cost/unit: $12 | Expected volume: 560 units Contribution margin/unit: $20 (62.5% of price) Break-even (whole units, rounded up): 325 units (exact zero point: 325.00 units) Break-even revenue: $10,400 Expected profit/(loss) at 560 units: $4,700 Margin of safety: 42.0% vs Current: contribution margin -$3; break-even -23 units; break-even revenue -$1,780; profit +$1,200; margin of safety +11.6 pts Assumptions: single-period cost-volume-profit model with linear revenue and costs. Break-even quantities are rounded up to the next whole unit (whole-unit convention), break-even revenue is that whole-unit quantity times price, and profit at any volume is contribution x volume minus fixed costs (measured from the exact zero point, never re-based onto the rounded-up quantity). Margin of safety is shown as n/a when expected volume is below break-even. This comparison does not predict demand; expected volumes are assumptions. Computed client-side by Quik-Calc — https://quik-calc.com/break-even-calculator/
QUIK-CALC BREAK-EVEN DECISION COMPARISON ======================================== Scenario 1 — Current Fixed costs: $8,000 | Selling price/unit: $35 | Variable cost/unit: $12 | Expected volume: 500 units Contribution margin/unit: $23 (65.7% of price) Break-even (whole units, rounded up): 348 units (exact zero point: 347.83 units) Break-even revenue: $12,180 Expected profit/(loss) at 500 units: $3,500 Margin of safety: 30.4% Scenario 2 — Alternative A Fixed costs: $8,000 | Selling price/unit: $40 | Variable cost/unit: $12 | Expected volume: 450 units Contribution margin/unit: $28 (70.0% of price) Break-even (whole units, rounded up): 286 units (exact zero point: 285.71 units) Break-even revenue: $11,440 Expected profit/(loss) at 450 units: $4,600 Margin of safety: 36.4% vs Current: contribution margin +$5; break-even -62 units; break-even revenue -$740; profit +$1,100; margin of safety +6.0 pts Scenario 3 — Alternative B Fixed costs: $6,500 | Selling price/unit: $32 | Variable cost/unit: $12 | Expected volume: 560 units Contribution margin/unit: $20 (62.5% of price) Break-even (whole units, rounded up): 325 units (exact zero point: 325.00 units) Break-even revenue: $10,400 Expected profit/(loss) at 560 units: $4,700 Margin of safety: 42.0% vs Current: contribution margin -$3; break-even -23 units; break-even revenue -$1,780; profit +$1,200; margin of safety +11.6 pts Assumptions: single-period cost-volume-profit model with linear revenue and costs. Break-even quantities are rounded up to the next whole unit (whole-unit convention), break-even revenue is that whole-unit quantity times price, and profit at any volume is contribution x volume minus fixed costs (measured from the exact zero point, never re-based onto the rounded-up quantity). Margin of safety is shown as n/a when expected volume is below break-even. This comparison does not predict demand; expected volumes are assumptions. Computed client-side by Quik-Calc — https://quik-calc.com/break-even-calculator/
How to Use This Calculator
Running a break-even analysis helps you answer one of the most important questions in business: how many units do I need to sell before I stop losing money and start turning a profit? This calculator simplifies that process into three inputs. Start by entering your fixed costs — the expenses that stay the same regardless of how much you produce, such as rent, insurance, salaries, equipment leases, and software subscriptions. Next, enter your variable cost per unit, which covers materials, direct labor, packaging, shipping, and any other cost that scales with every item you make or service you deliver. Finally, enter your selling price per unit — the amount you charge your customers.
The calculator instantly computes your break-even point in units and revenue, along with your contribution margin per unit (the dollar amount each sale contributes to covering fixed costs) and your margin of safety (the buffer between your expected sales and the break-even threshold). The built-in chart draws two lines — one for total revenue and one for total cost — that intersect at your exact break-even volume, making it easy to visualize profitability at different sales levels.
Use the calculator to model real-world scenarios before committing capital. For example, test what happens if your supplier raises material prices by 10%, or if a competitor forces you to drop your selling price by 15%. Adjust the sliders or type precise numbers to see how each change shifts the break-even point. You can also enter your expected sales volume to calculate the margin of safety — a key metric that tells you how much room you have before slipping into a loss. This kind of sensitivity analysis is essential for pricing strategy, product launches, equipment purchases, and budgeting.
Worked example: a bakery launching a new cake line
The scenario. A small artisan bakery in Portland wants to add a specialty layer cake to its menu. The owner estimates one-time fixed costs of $8,000 per month, which includes a dedicated display case lease ($2,000), additional marketing for the launch ($1,500), extra part-time staff training and salary ($3,000), and permits and liability insurance adjustments ($1,500). Variable costs per cake are $12 — this covers high-quality ingredients (organic flour, butter, eggs, vanilla), branded packaging, cake boxes, and the direct labor for mixing, baking, frosting, and decorating each cake. The bakery plans to sell each cake for $35.
The calculation. Break-even point in units = Fixed Costs / (Selling Price - Variable Cost Per Unit) = $8,000 / ($35 - $12) = $8,000 / $23 = 347.83 cakes. You cannot sell a fraction of a cake, so round up: the bakery must sell 348 whole cakes per month to cross zero — that is the exact zero point of the model (347.83) plus the one whole unit that gets you past it. This calculator uses the same round-up (ceiling) convention for every published number. At 348 cakes the bakery is at break-even with a trivial $4 of profit left over; at 347 it is still $19 short of covering fixed costs ($8,000 − 347 × $23 = $19). The break-even revenue at that whole-unit quantity is 348 x $35 = $12,180 per month. The contribution margin per cake is $23, meaning each cake sold beyond 348 contributes $23 of pure profit.
The profit picture. If the bakery sells 500 cakes per month, total profit is contribution x volume - fixed costs = $23 x 500 - $8,000 = $3,500 per month. The margin of safety is (500 - 348) / 500 = 30.4%, giving the owner a comfortable cushion. If sales dip to 400 cakes, profit drops to $23 x 400 - $8,000 = $1,200 per month, still positive. Break-even remains 348 cakes: each cake contributes $23 toward fixed costs, so at 347 cakes the business has recovered $7,981 of its $8,000 and is still $19 short of breaking even — the shortfall is the un-recovered fixed costs, not a per-cake loss. This analysis helps the owner decide whether the new product line is worth the risk and whether $35 is the right price — raising it to $40 would lower the break-even to 286 cakes but might reduce demand.
Key terminology
Fixed costsExpenses that remain constant regardless of production volume: rent, insurance, salaries, equipment leases, loan payments, software subscriptions, and property taxes. These must be paid even if you produce zero units.
Variable costsExpenses that change in direct proportion to production volume: raw materials, direct labor, packaging, shipping, sales commissions, credit card processing fees, and per-unit royalty payments.
Contribution marginThe selling price minus the variable cost per unit. This is the amount each unit sold contributes toward covering fixed costs and then generating profit. A higher contribution margin means fewer units needed to break even.
Margin of safetyA measure of downside risk: (Expected Sales - Break-Even Sales) / Expected Sales, expressed as a percentage. A 40% margin of safety means sales can fall 40% before reaching the break-even point. For planning, Quik-Calc can compare break-even sales with your expected demand. Any threshold shown is a scenario heuristic, not a lender underwriting standard; the healthy margin varies by business model.
Operating leverageThe ratio of fixed costs to variable costs in your cost structure. High operating leverage means a larger proportion of fixed costs — making profits more sensitive to changes in sales volume. This amplifies both gains and losses. Capital-intensive industries (manufacturing, airlines) have high operating leverage; service businesses tend to have lower leverage.
Break-even pointThe sales volume (in units or revenue) at which total revenue equals total costs, resulting in zero profit or loss. Every unit sold beyond this point generates pure profit.
Contribution margin ratioContribution margin divided by selling price, expressed as a percentage. For example, if you sell a product for $100 with a $40 contribution margin, your contribution margin ratio is 40%. This ratio tells you how much of each revenue dollar is available to cover fixed costs.
Methodology and sources
The break-even formula used by this calculator is derived from fundamental cost-volume-profit (CVP) analysis, a core concept in managerial accounting and financial planning. The formulas are:
- Break-Even Units = Fixed Costs / (Selling Price - Variable Cost Per Unit)
- Break-Even Revenue = Break-Even Units x Selling Price
- Contribution Margin Per Unit = Selling Price - Variable Cost Per Unit
- Contribution Margin Ratio = Contribution Margin Per Unit / Selling Price x 100%
- Margin of Safety = (Expected Revenue - Break-Even Revenue) / Expected Revenue x 100%
- Profit at Given Volume = (Selling Price - Variable Cost Per Unit) x Actual Units - Fixed Costs
Rounding convention. Fixed Costs / (Selling Price - Variable Cost Per Unit) usually produces a fraction (the bakery example: $8,000 / $23 = 347.83). That fraction is the exact zero point of the model, but you cannot sell a fraction of a unit, so this calculator always rounds break-even quantity up to the next whole unit (347.83 becomes 348) — the minimum number of whole units you must sell to stop losing money. Break-even quantity is then published as the rounded-up whole-unit figure (348), and break-even revenue is that whole-unit quantity times price (348 x $35 = $12,180). Profit or loss at a volume you enter is measured the direct way — contribution per unit x volume minus fixed costs ($23 x 500 - $8,000 = $3,500 at 500 cakes) — without re-basing onto the rounded-up quantity. One convention is used everywhere on this page, for every published number and every generated figure, so nothing mixes the two.
The chart component plots two linear functions across a range of sales volumes: Total Revenue = Price x Quantity and Total Cost = Fixed Costs + (Variable Cost Per Unit x Quantity). The intersection of these two lines is the break-even point. The underlying math assumes linear cost and revenue relationships, which is a simplification — in reality, variable costs may decrease at higher volumes due to economies of scale, and selling price may need to be lowered to drive additional volume.
Edge case — zero or negative contribution margin: if the variable cost per unit is greater than or equal to the selling price, break-even is mathematically unattainable; no sales volume can cover fixed costs, and every additional unit sold deepens the loss. In that case the calculator labels the plan UNATTAINABLE in plain language instead of showing a break-even quantity — you must raise your price or cut your variable costs before break-even analysis applies.
Recommended reading for deeper understanding:
- U.S. Small Business Administration — Business Guide — practical planning for managers
- Corporate Finance Institute — Break-Even Analysis
Home / Finance / Break-Even Calculator
Comparing three plans side by side
The decision comparison module below the calculator lets you line up three cost-price-volume plans — your current setup and two alternatives — and see them side by side: contribution margin per unit, minimum whole-unit break-even quantity, break-even revenue, expected profit or loss at the volume you enter, margin of safety, and the difference of each alternative versus your current plan, plus a bar chart of projected profit at the entered volumes. Every figure recomputes instantly from the numbers you type, and the explanation text is generated from the same arithmetic, so the words always match the table.
What it does not do is just as important. This comparison is arithmetic, not a forecast: it cannot predict demand, elasticity, competitor response, or seasonality, and it cannot tell you whether an expected sales volume is achievable. The expected volumes are assumptions you supply — the module shows what each plan earns if those volumes hold, not whether they will. It also assumes the same single-period, linear cost-and-revenue model as the rest of this page. Everything runs locally in your browser; no inputs, results, or scenarios are stored or sent anywhere.
Common mistakes to avoid
- Underestimating fixed costs: Many entrepreneurs forget to include insurance premiums, software-as-a-service subscriptions, loan interest payments, equipment depreciation, professional fees (accounting, legal), and property taxes. The result is a break-even that looks artificially low, leading to cash flow surprises. Always add a 15-20% contingency buffer to your fixed cost estimate to account for hidden or irregular expenses.
- Using average cost instead of marginal cost for variable costs: The correct variable cost for break-even analysis is the incremental cost of producing one additional unit, not the average cost across all units. Average cost may include fixed allocations that distort the calculation. For example, if you spread rent (a fixed cost) into the per-unit cost, you are double-counting it. Stick strictly to costs that change when you make one more item: raw materials, direct labor, packaging, and per-unit shipping fees.
- Ignoring the price-demand relationship: A higher selling price lowers the break-even point mathematically, but in the real world, higher prices usually reduce the number of units customers are willing to buy. Break-even analysis tells you the minimum volume needed to avoid a loss, but it does not tell you whether that volume is achievable at the chosen price. Pair your break-even with market research, competitor pricing analysis, and demand forecasting to get the full picture.
- Neglecting the time dimension: Break-even analysis is typically a single-period model — it assumes all fixed costs are incurred and all units are sold within the same period, usually a month or a year. In practice, you may incur fixed costs (equipment purchase, marketing campaign) months before you see significant sales. Consider a payback period analysis alongside break-even to understand how long cash will be negative.
- Confusing cash break-even with accounting break-even: Non-cash expenses like depreciation lower your accounting profit but do not consume cash. For cash flow planning, you may want to calculate a cash break-even that excludes depreciation and other non-cash charges. Many startups fail not because they are unprofitable on paper, but because they run out of cash while waiting for receivables to arrive.
- Applying a single break-even to a multi-product business: If you sell multiple products with different margins, a single break-even number is misleading. Use a weighted-average contribution margin based on your expected product mix, or run separate break-even analyses for each product line.
Frequently asked questions
What is a good break-even point?
For planning, Quik-Calc can use a target threshold to compare break-even sales with expected demand — its worked examples use a 20-40% of estimated demand scenario. This is a scenario heuristic, not a lender underwriting standard. For example, if you expect to sell 1,000 units per month in a given market, a break-even at 250 to 400 units gives you a strong margin of safety (60-80%). If your break-even exceeds 60% of expected demand, you have very little room for error — any small shortfall in sales will result in a loss.
How can I lower my break-even point?
There are three primary levers. First, reduce fixed costs — negotiate cheaper rent, switch to lower-cost software, outsource non-core functions, or sublease unused space. Second, lower variable costs — find alternative suppliers, buy in bulk for volume discounts, improve production efficiency, reduce waste, or automate parts of the production process. Third, raise your selling price if the market will bear it — even a small price increase can significantly reduce the number of units needed to break even. Small businesses often pursue all three levers together; the best mix depends on your cost structure.
What happens if I raise my prices?
Raising your price increases the contribution margin per unit, which mathematically lowers the number of units you need to sell to break even. However, higher prices typically reduce demand — this is the price elasticity of demand effect. The key question is whether the increase in contribution margin outweighs the potential loss in volume. Use the calculator to test different price points: enter a higher price and see the new break-even, then estimate whether you can realistically achieve that lower volume. If your market is price-sensitive, a small price increase may cause a disproportionately large drop in sales, making it counterproductive.
Is break-even analysis useful for service businesses?
Absolutely. Instead of physical units, use whatever metric represents a single deliverable: billable hours, consulting projects completed, customers served, subscription seats sold, or contracts signed. Fixed costs are your office rent, administrative salaries, software licenses, and professional insurance. Variable costs are the labor and materials directly tied to each service delivery — for a consulting firm, that is the consultant's hourly pay plus travel expenses; for a SaaS company, it is server hosting and customer support time per user. The same break-even formula applies directly.
What is the difference between cash break-even and accounting break-even?
Accounting break-even includes all costs — including non-cash expenses like depreciation, amortization, and accrued expenses. Cash break-even excludes non-cash charges and only considers actual cash outflows. For a startup or small business managing cash flow, the cash break-even is often more important because it tells you when you will stop burning cash. For example, if your fixed costs include $2,000/month in equipment depreciation (a non-cash expense), your cash break-even will be lower than your accounting break-even, meaning you reach positive cash flow sooner than you reach positive net income. Reviewing both numbers is common practice when preparing financing discussions.
Can I use break-even analysis for a multi-product business?
Yes, but you need to use a weighted-average contribution margin rather than applying a single break-even formula to your entire product line. Calculate the contribution margin for each product, weight it by the percentage of expected sales that product represents, and use that blended number as your contribution margin in the break-even formula. Alternatively, run individual break-even analyses for each product line to understand which products are carrying the business and which are barely covering their own costs. This is especially important if your product mix shifts seasonally or over time.