Break Even Calculator
Enter your monthly fixed costs like rent and software, your variable cost per unit, and your selling price. The calculator shows your contribution margin, break-even units and revenue, and how many units you need to hit a profit target. Add your average monthly sales to see days to break even.
Best for
Make the next pricing or planning decision with context
Find the sales, volume, or price floor your business offer needs to cover its costs. It covers Find how many units you need to sell each month to cover fixed and variable costs and start making profit.
Instant calculations · Editable fee assumptions · Export-ready results
Inputs
Values update results instantly. Adjust fee assumptions to match your seller dashboard.
Your figures are saved in this browser on this device.
Costs
Rent, software, salaries, and other costs that do not change with units sold.
Product, packaging, shipping, and per-unit fees.
Pricing
Price the customer pays before tax per unit.
Goals
Extra profit you want beyond covering costs. Leave 0 to see pure break-even.
Optional. Used to estimate days to break even each month.
Results
Live estimates based on your inputs and editable fee assumptions.
Monthly fixed costs
$2,000.00
Fixed costs you must cover each month.
Variable cost per unit
$8.00
Cost to deliver one more unit.
Selling price
$29.99
Charged per unit.
Contribution margin per unit
$21.99
Selling price minus variable cost. This is what contributes to fixed costs.
Break-even units
91
Units you must sell monthly to cover fixed costs.
Break-even revenue
$2,729.09
Revenue needed to break even.
Units for target profit
91
Units needed to cover fixed costs plus your profit goal.
Days to break even
0
Estimated days in month to reach break-even if you add average sales.
What this means
Break-even is 91 units or $2729.09 in revenue. Contribution margin is $21.99 per unit. Need 91 units to hit your $0.00 profit goal.
Monthly break-even analysis
Interactive breakdown of fees, costs, and remaining profit.
Distribution
- Fixed costs$2,000.0072.7%
- Variable at break-even$728.0026.5%
- Margin per unit$21.990.8%
Total $2,749.99 · 3 segments · interactive
Line-item breakdown
Dollar amounts, share of revenue, and visual proportion.
- Monthly fixed costs
- $2,000.00
- Variable cost per unit
- $8.00
- Selling price per unit
- $29.99
- Contribution margin
- $21.99
- Break-even units
- 91
- Break-even revenue
- $2,729.09
- Units for target profit
- 91
- Days to break even
- 0
Assumptions used
- • Fixed costs $2000.00 per month
- • Variable $8.00 × 91 units
- • Contribution $21.99 per unit
Your next best moves
Use your Break Even result to make the next decision. These General Business tools follow the same cost and pricing thread.
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Download a practical checklist for pricing, hidden cost leaks, and healthier profit decisions alongside this result.
More General Business calculators and guides are in the category hub.
Explore General BusinessBreak Even Calculator
Generated 9/9/2026, 5:50:47 PM · Currency USD
Inputs
- Monthly fixed costs: 2000
- Variable cost per unit: 8
- Selling price per unit: 29.99
- Target monthly profit: 0
- Average monthly sales (units): 0
Results
- Monthly fixed costs: $2,000.00
- Variable cost per unit: $8.00
- Selling price per unit: $29.99
- Contribution margin: $21.99
- Break-even units: 91
- Break-even revenue: $2,729.09
- Units for target profit: 91
- Days to break even: 0
Interpretation
Break-even is 91 units or $2729.09 in revenue. Contribution margin is $21.99 per unit. Need 91 units to hit your $0.00 profit goal.
How it works
Methodology & formulas
This calculator is transparent by design. Review the steps and formulas so you can trust the estimate and adjust assumptions when your dashboard differs.
Calculation steps
- 1Contribution margin is calculated as selling price minus variable cost per unit.
- 2Break-even units equal fixed costs divided by contribution margin, rounded up.
- 3Break-even revenue equals break-even units multiplied by selling price.
- 4Units for target profit equal fixed costs plus target profit divided by contribution margin.
- 5If average monthly sales are provided, days to break even is break-even units divided by daily average sales.
- 6If contribution margin is zero or negative, break-even is not achievable at current pricing.
Formulas
- Contribution margin = sellingPricePerUnit − variableCostPerUnit
- Break-even units = ceil(monthlyFixedCosts ÷ contributionMargin)
- Break-even revenue = breakEvenUnits × sellingPricePerUnit
- Units for target profit = ceil((monthlyFixedCosts + targetMonthlyProfit) ÷ contributionMargin)
- Days to break even = ceil(breakEvenUnits ÷ (avgMonthlySales ÷ 30))
Important assumptions
- Fixed costs stay the same in the month regardless of volume.
- Variable cost per unit is constant and includes all per-unit expenses.
- Selling price is constant, no tiered pricing or discounts.
- Days to break even assumes sales are spread evenly across 30 days.
- This is a pre-tax view and excludes platform fees unless you include them in variable cost.
- Break-even units are rounded up to the next whole unit.
Sources & review
Know what this estimate is built on
This calculator is intentionally platform-agnostic, so it does not attach a platform fee URL.
Official references
No single official fee page is attached here. The model keeps these inputs editable so you can use the terms that apply to your situation.
Use the current terms
This model uses editable planning assumptions. Confirm tax, payment, financing, or operating terms with the relevant provider, official authority, or adviser for your situation.
Defaults are editable estimates. Match them to your current account, provider statement, official authority, lender, or adviser before making a pricing or investment decision.
Calculator model reviewed: August 9, 2026. This date covers the page and calculator guidance, not a guarantee that every live platform rate or term was re-audited on that date.
Worked example
Monthly subscription box
Fixed costs are $2,000 for warehouse, software, and contractor. Variable cost is $8 per box, you charge $29.99. You want $1,000 profit and average 200 sales per month.
FAQ
Common questions
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