Break-Even Calculator

Calculate exactly how many units you need to sell or how much revenue you need to break even. Enter your fixed costs, selling price, and variable cost per unit.

SC
Written by Sarah Chen, CFP
Certified Financial Planner
JW
Fact-checked by Dr. James Wilson, PhD
Options Strategy Researcher
Profit & LossFact-Checked

Input Values

$

Monthly fixed costs: rent, salaries, insurance, loan payments, etc.

$

The price you charge per unit sold.

$

Cost per unit: materials, labor, shipping, commissions.

$

Your desired monthly profit above break-even.

Results

Break-Even Units
334
Break-Even Revenue
$16,666.67
Contribution Margin per Unit$30.00
Contribution Margin Ratio60.00%
Units for Target Profit0
Revenue for Target Profit$0.00
Results update automatically as you change input values.

What Is the Break-Even Point?

The break-even point is the level of sales at which total revenue equals total costs, resulting in zero profit and zero loss. It is the minimum amount of business you need to do just to cover all your expenses. Every unit sold beyond the break-even point generates pure profit (minus variable costs).

Break-even analysis is one of the most important tools in business planning. It answers fundamental questions: How many units must I sell to cover my costs? What is the minimum revenue I need? How will changes in pricing or costs affect my profitability? Entrepreneurs, investors, and lenders all use break-even analysis to evaluate business viability.

i
Why Break-Even Matters

A business that does not know its break-even point cannot make informed decisions about pricing, hiring, expansion, or cost cutting. Knowing your break-even point tells you exactly how much room you have for error and growth.

Break-Even Formulas

Break-Even in Units
Break-Even Units = Fixed Costs / (Selling Price - Variable Cost per Unit)
Where:
Fixed Costs = Total fixed costs for the period (rent, salaries, etc.)
Selling Price = Price per unit
Variable Cost = Variable cost per unit (materials, labor, etc.)
Break-Even in Revenue
Break-Even Revenue = Fixed Costs / Contribution Margin Ratio
Where:
Fixed Costs = Total fixed costs for the period
Contribution Margin Ratio = (Selling Price - Variable Cost) / Selling Price
Contribution Margin
Contribution Margin = Selling Price - Variable Cost per Unit
Where:
Selling Price = Revenue per unit
Variable Cost = All variable costs per unit
Break-Even Calculation Example
Given
Fixed Costs
$10,000/month
Selling Price
$50/unit
Variable Cost
$20/unit
Target Profit
$5,000/month
Calculation Steps
  1. 1Contribution Margin = $50 - $20 = $30 per unit
  2. 2Contribution Margin Ratio = $30 / $50 = 60%
  3. 3Break-Even Units = $10,000 / $30 = 334 units per month
  4. 4Break-Even Revenue = $10,000 / 0.60 = $16,667 per month
  5. 5Units for $5,000 profit = ($10,000 + $5,000) / $30 = 500 units
  6. 6Revenue for $5,000 profit = 500 × $50 = $25,000
Result
You need to sell 334 units ($16,667 revenue) per month to break even. To earn $5,000 in monthly profit, you need 500 units ($25,000 revenue).

Fixed Costs vs. Variable Costs

Fixed vs. Variable Costs
Cost TypeExamplesBehaviorImpact on Break-Even
Fixed CostsRent, salaries, insurance, loan paymentsStay the same regardless of sales volumeHigher fixed costs = higher break-even point
Variable CostsMaterials, shipping, commissions, packagingIncrease proportionally with each unit soldHigher variable costs = lower contribution margin = higher break-even
Semi-VariableUtilities, phone, overtime laborFixed base + variable componentAllocate fixed portion to fixed costs, variable to variable

How to Lower Your Break-Even Point

Strategies to Reduce Your Break-Even Point

1
Reduce Fixed Costs
Renegotiate rent, switch to remote work, outsource non-core functions, consolidate tools and subscriptions. Every dollar of fixed cost reduction directly lowers your break-even by 1/contribution margin units.
2
Increase Selling Price
A price increase raises the contribution margin, reducing the number of units needed to break even. A 10% price increase on a $50 product ($5 more) reduces break-even units by approximately 14% in this example.
3
Reduce Variable Costs
Negotiate better supplier rates, find cheaper shipping, reduce packaging costs, or improve production efficiency. Lower variable costs increase contribution margin.
4
Shift to Higher-Margin Products
Focus on selling products with higher contribution margins. If Product A has a $30 contribution margin and Product B has $50, selling more of Product B lowers your overall break-even point.

Break-Even Analysis for Multiple Products

When you sell multiple products with different prices and costs, use a weighted average contribution margin for break-even analysis. Multiply each product's contribution margin by its expected sales mix percentage, then sum the results. This weighted average becomes the denominator in your break-even formula.

For example, if Product A (60% of sales, $30 CM) and Product B (40% of sales, $50 CM) are your two products, the weighted average CM is ($30 x 0.60) + ($50 x 0.40) = $18 + $20 = $38. Break-even units = Fixed Costs / $38.

Break-Even in Options Trading

For options traders, the break-even price is the stock price at which your position results in zero profit or loss at expiration. For a long call, break-even = strike price + premium paid. For a long put, break-even = strike price - premium paid. For covered calls, break-even = stock purchase price - premium received.

!
Break-Even Is Not a Guarantee

Reaching break-even does not mean your business is successful. It means you have covered costs but earned zero profit. Your goal should be to exceed break-even by a comfortable margin, accounting for seasonal fluctuations, unexpected expenses, and growth reinvestment.

Frequently Asked Questions

Break-Even Units = Fixed Costs / (Selling Price - Variable Cost per Unit). For example, with $10,000 in fixed costs, a $50 selling price, and $20 variable cost: $10,000 / ($50 - $20) = $10,000 / $30 = 334 units. You must sell 334 units to break even.

Sources & References

  • U.S. Securities and Exchange Commission (SEC) - Investor Education
  • Options Clearing Corporation (OCC) - Options Education
  • Chicago Board Options Exchange (CBOE) - Options Strategies
  • Hull, J.C. "Options, Futures, and Other Derivatives" (11th Edition, 2021)

Embed This Calculator on Your Website

Free to use with attribution

Copy the code below to add this calculator to your website, blog, or article. A link back to CoveredCallCalculator.net is included automatically.

<iframe src="https://coveredcallcalculator.net/embed/break-even-calculator" width="100%" height="500" frameborder="0" title="Break-Even Calculator" style="border:1px solid #e2e8f0;border-radius:12px;max-width:600px;"></iframe>
<p style="font-size:12px;color:#64748b;margin-top:8px;">Calculator by <a href="https://coveredcallcalculator.net" target="_blank" rel="noopener">CoveredCallCalculator.net</a></p>

Related Calculators

Trading Tools

Futures Calculator

Calculate futures profit, margin requirements, and position sizing. Free futures calculator for commodities, indices, currencies, and crypto futures contracts.

Profit & Loss

Food Cost Calculator

Calculate food cost percentage for restaurants and food businesses. Free food cost calculator with ideal food cost, menu pricing, and waste reduction strategies.

Profit & Loss

Profit Calculator

Free profit calculator to determine profit amount and percentage from revenue and costs. Includes formulas, examples, and tips for maximizing profitability.

Profit & Loss

Break-Even Point Calculator

Find your exact break-even point in units and dollars. Free break-even point calculator with contribution margin analysis and profit target planning.

Profit & Loss

Margin Calculator

Calculate profit margin, gross margin, and markup instantly. Free margin calculator with formulas, examples, and step-by-step breakdowns for US and Canadian businesses.

Profit & Loss

Operating Margin Calculator

Calculate operating profit margin from revenue, COGS, and operating expenses. Free operating margin calculator with industry benchmarks and profitability analysis.

Profit & Loss

Book Value Calculator

Calculate book value per share, price-to-book ratio, and tangible book value. Free book value calculator to assess if a stock trades above or below its net asset value.

Profit & Loss

ROI Calculator

Calculate return on investment (ROI) for any investment, business, or project. Free ROI calculator with annualized returns, net profit, and comparison analysis.