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Break-Even Calculator

Find your break-even point

Break-Even Point

334 units

Revenue

$16,700

Margin %

60.0%

Time to BE

3.3mo

$

Rent, salaries, insurance, etc.

$
$

Average units you expect to sell each month

Enter your target break-even quantity to find the required selling price.

Break-Even Point

334 units

= $16,700 in revenue

Contribution Margin

$30.00/unit

CM Ratio

60.0%

Time to Break Even

3.3 months

at 100 units/month

Revenue vs Total Cost

Lines cross at break-even (334 units)

Profit at Different Sales Levels

Relative to break-even (334 units)

84 units(25%)
-$7,480
167 units(50%)
-$4,990
251 units(75%)
-$2,470
334 units(100% (BE))
+$20
501 units(150%)
+$5,030
668 units(200%)
+$10,040

How break-even changes with price adjustments

Formula

Break-Even Units = Fixed Costs / Contribution Margin

= $10,000 / $30.00

= 334 units

Frequently Asked Questions

Q

How do I calculate break-even point?

Break-even (units) = Fixed Costs ÷ (Price - Variable Cost per unit). Example: $10,000 fixed costs, $50 price, $30 variable cost. BEP = $10,000 ÷ ($50-$30) = 500 units. At 500 units, revenue equals costs.

  • Formula (units): Fixed Costs ÷ Contribution Margin
  • Contribution Margin = Price - Variable Cost
  • Formula (dollars): Fixed Costs ÷ CM Ratio
  • CM Ratio = (Price - Variable Cost) ÷ Price
  • Below BEP = Loss, Above BEP = Profit
Fixed CostsPriceVariable CostBEP UnitsBEP Revenue
$10,000$50$30500$25,000
$20,000$100$60500$50,000
$50,000$200$120625$125,000
Q

What is contribution margin?

Contribution Margin = Price - Variable Cost per unit. It's what each sale "contributes" toward covering fixed costs. After fixed costs are covered, CM becomes profit. Higher CM = lower break-even point.

  • Formula: Price - Variable Cost = CM per unit
  • CM Ratio: CM ÷ Price (as percentage)
  • Higher CM = Fewer units needed to break even
  • CM goes to: 1) Cover fixed costs, 2) Then profit
  • Example: $100 price - $60 cost = $40 CM
ProductPriceVariable CostCM per UnitCM Ratio
Product A$50$35$1530%
Product B$100$40$6060%
Product C$200$80$12060%
Service$150$30$12080%
Q

What are fixed costs vs variable costs?

Fixed: Same regardless of sales (rent $3,000, salaries $5,000, insurance $500). Variable: Change with each sale (materials $10/unit, shipping $5/unit, commission 10%). Identifying these correctly improves accuracy.

  • Fixed: Don't change with volume
  • Variable: Change proportionally with sales
  • Semi-variable: Some fixed + variable component
  • Example: Phone bill with base + usage charges
Cost TypeFixed CostsVariable Costs
Rent/LeaseYesNo
Salaries (base)YesNo
CommissionsNoYes
Raw materialsNoYes
Shipping/unitNoYes
Software subscriptionsYesNo
Credit card feesNoYes (% of sales)
Q

How can I lower my break-even point?

Lower BEP by: 1) Reduce fixed costs (negotiate rent, cut subscriptions), 2) Raise prices (if market allows), 3) Lower variable costs (better suppliers, efficiency), 4) Sell higher-margin products.

  • Cutting fixed costs: Fastest impact
  • Raising prices: Powerful if market tolerates
  • Lowering variable costs: Compound effect per unit
  • Focus on highest CM products
StrategyActionBEP ImpactTrade-off
Cut fixed costsRenegotiate rent, reduce staffDirect reductionMay limit capacity
Raise pricesIncrease by 10%Significant reductionMay lose customers
Lower variable costsNew suppliers, efficiencyModerate reductionQuality concerns
Product mixSell high-margin itemsSignificant reductionMay need marketing
Q

How do I calculate break-even for multiple products?

For multiple products, use weighted average CM. Weight each product's CM by its percentage of total sales. Then: Fixed Costs ÷ Weighted Average CM = Break-even units. Or use revenue-based calculation.

  • Weight CM by sales mix percentage
  • Example: 60% Product A ($20 CM) + 40% Product B ($30 CM)
  • Weighted CM = 0.6×$20 + 0.4×$30 = $24
  • BEP = Fixed Costs ÷ $24 per weighted unit
  • Alternatively: Use CM ratio and calculate BEP in dollars
Q

What is margin of safety?

Margin of Safety = Actual Sales - Break-even Sales. It shows how much sales can drop before you start losing money. Higher margin = more buffer. Express as units, dollars, or percentage.

  • Formula: Actual Sales - BEP Sales = Margin of Safety
  • As percentage: (Actual - BEP) ÷ Actual × 100
  • Example: Selling 800 units, BEP 500 = 300 unit margin
  • Percentage: (800-500)/800 = 37.5% margin of safety
  • Higher % = more cushion for downturns
Current SalesBreak-EvenMargin of SafetyMOS %
600 units500 units100 units16.7%
800 units500 units300 units37.5%
1000 units500 units500 units50%

Example Calculations

1Small Business: $10,000 Fixed Costs

Inputs

Fixed Costs (monthly)$10,000
Price per Unit$50
Variable Cost per Unit$20

Result

Break-Even Point334 units
Break-Even Revenue$16,700
Contribution Margin$30.00/unit
CM Ratio60.0%
Profit at 500 units+$5,000
Profit at 1,000 units+$20,000

Contribution Margin = $50 - $20 = $30/unit. Break-Even = $10,000 / $30 = 333.33, rounded up to 334 units. Revenue at BEP = 334 x $50 = $16,700. At 500 units, profit = (500 x $30) - $10,000 = $5,000.

2Larger Operation: $25,000 Fixed Costs

Inputs

Fixed Costs (monthly)$25,000
Price per Unit$80
Variable Cost per Unit$30

Result

Break-Even Point500 units
Break-Even Revenue$40,000
Contribution Margin$50.00/unit
CM Ratio62.5%
Profit at 500 units$0
Profit at 1,000 units+$25,000

Contribution Margin = $80 - $30 = $50/unit. Break-Even = $25,000 / $50 = 500 units exactly. Revenue at BEP = 500 x $80 = $40,000. At 1,000 units, profit = (1,000 x $50) - $25,000 = $25,000.

Formulas Used

Break-Even Point (Units)

Break-Even Units = Fixed Costs / Contribution Margin per Unit

The number of units you must sell to cover all fixed costs. Result is rounded up to the next whole unit.

Where:

Fixed Costs= Total fixed costs (rent, salaries, insurance, etc.)
Contribution Margin= Price per Unit minus Variable Cost per Unit

Contribution Margin

Contribution Margin = Price per Unit - Variable Cost per Unit

The amount each unit sold contributes toward covering fixed costs and generating profit.

Where:

Price per Unit= Selling price of one unit
Variable Cost per Unit= Cost that varies with each unit produced

Contribution Margin Ratio

CM Ratio = (Contribution Margin / Price per Unit) x 100

The percentage of each dollar of revenue that contributes toward fixed costs and profit.

Where:

Contribution Margin= Price minus Variable Cost
Price per Unit= Selling price of one unit

Complete Guide to Break-Even Analysis

1

What Break-Even Analysis Tells You About Your Business

A business with $10,000 in monthly fixed costs selling a product at $50 with $20 in variable costs needs exactly 334 units per month to break even. Below 334 units, every month burns cash; above it, each additional unit generates $30 in pure profit. This single number — the break-even point — transforms vague revenue targets into a concrete, measurable threshold that drives pricing, staffing, and marketing decisions.

The SBA reports that 20% of small businesses fail within their first year, often because founders underestimate how many sales are needed to cover overhead. Break-even analysis forces clarity: it separates fixed costs (rent, salaries, insurance) from variable costs (materials, shipping, commissions) and reveals the contribution margin — the profit per unit after variable costs — that actually drives sustainability.

Beyond startups, break-even analysis is essential for product launches, lease negotiations, and pricing changes. A restaurant considering a $500/month lease increase can calculate exactly how many extra meals it needs to sell to absorb the cost. A SaaS company launching a $29/month plan with $8 in hosting costs per user knows it needs the first 345 subscribers just to cover $10,000 in development costs.

Break-Even Point: Revenue vs Total Cost$0$10K$20K$30KBEP167 units334 units500 unitsRevenueTotal CostBreak-Even Point
2

Contribution Margin: The Key to Break-Even Math

Contribution margin (CM) is the single most important metric in break-even analysis. It equals selling price minus variable cost per unit: a $100 product with $40 in variable costs has a $60 CM, meaning each sale contributes $60 toward covering fixed costs. The CM ratio — $60 / $100 = 60% — tells you that 60 cents of every revenue dollar goes toward overhead and profit.

Higher contribution margins dramatically lower break-even points. At a 60% CM ratio, $10,000 in fixed costs requires just $16,667 in revenue ($10,000 / 0.60) to break even. Drop the CM to 30% (a $100 product with $70 variable cost), and the same $10,000 in fixed costs now requires $33,333 in revenue — double the sales volume. This is why service businesses with low variable costs (consulting, software, design) typically break even faster than product businesses with high material costs.

For businesses selling multiple products, use a weighted-average contribution margin. If 60% of sales come from Product A ($20 CM) and 40% from Product B ($30 CM), the weighted CM is (0.60 × $20) + (0.40 × $30) = $24. The profit margin calculator can help you verify per-product margins before running the combined break-even calculation.

*Assumes $100 average selling price for comparison
Business TypeTypical CM RatioBEP on $10K FixedRevenue Needed
Software/SaaS80–90%112–125 units$11,100–$12,500
Professional Services60–75%134–167 units$13,300–$16,700
Retail Products40–55%182–250 units$18,200–$25,000
Food/Restaurant25–40%250–400 units$25,000–$40,000
Manufacturing20–35%286–500 units$28,600–$50,000
3

Four Strategies to Lower Your Break-Even Point

Reducing fixed costs provides the most direct path to a lower BEP. Renegotiating a commercial lease from $5,000/month to $4,000/month reduces annual fixed costs by $12,000, lowering the break-even point by 400 units at a $30 contribution margin. Switching from full-time employees to part-time or contract workers for non-core functions can cut $20,000–$40,000 in annual salary and benefit costs.

Raising prices increases contribution margin without adding any operational complexity. A 10% price increase on a $50 product (to $55) with $20 variable cost raises CM from $30 to $35 — a 16.7% improvement that reduces BEP from 334 to 286 units. Price elasticity varies, but A/B testing typically shows that 5–10% increases have minimal impact on conversion rates for products with differentiated value.

Lowering variable costs through supplier negotiations, bulk purchasing, or process efficiency compounds across every unit sold. Reducing material cost by $3/unit on 500 monthly sales saves $1,500/month ($18,000/year) and raises the CM. Combining two strategies — cutting fixed costs by $2,000 and raising prices by 5% — can reduce break-even volume by 25–30%.

  • Cut fixed costs — renegotiate rent, eliminate unused subscriptions, reduce headcount. Saves $200–$2,000/month per item.
  • Raise prices 5–10% — often invisible to customers but lifts CM by 10–20%. Test on a subset first.
  • Lower variable costs — negotiate volume discounts with suppliers, optimize shipping, automate manual steps.
  • Shift product mix — promote high-margin products over low-margin ones. A 10% shift toward 60% CM products can drop BEP by 15%.
4

Margin of Safety: How Much Buffer You Have

Margin of safety measures the gap between actual sales and break-even sales, expressed as units, dollars, or a percentage. A business selling 800 units per month with a BEP of 500 has a 300-unit margin of safety, or 37.5% ((800 – 500) / 800). This means sales can decline 37.5% before the business starts losing money.

Industry benchmarks vary, but a margin of safety below 20% signals vulnerability to economic downturns, seasonal dips, or customer loss. Businesses in cyclical industries (construction, travel, events) should target 30%+ to weather lean periods. Subscription-based businesses with predictable revenue can operate safely at 15–20% because monthly churn is typically 2–5%, not the 30–50% swings seen in project-based models.

Use the budget calculator alongside this tool to map break-even units to monthly cash flow requirements. If your BEP is 500 units at $50 each, you need $25,000 in monthly revenue before profit starts. Knowing this lets you set sales targets, allocate marketing spend, and determine when to hire additional staff.

Tip: Re-run break-even analysis quarterly. Fixed costs shift with lease renewals, hiring, and subscription changes. A BEP that was 334 units in January may be 400 by June if you added a new team member.

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Last Updated: Mar 26, 2026

This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.

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