Break-Even Calculator — Units & Revenue to Profitability

Enter your fixed costs, price per unit, and variable cost per unit to find your break-even point—the minimum sales needed to cover all costs.

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Rent, salaries, insurance, subscriptions—costs that don't change with sales

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Materials, packaging, shipping, payment fees—costs per item sold

Understanding Break-Even Analysis

What is Break-Even Point?

The break-even point is where total revenue equals total costs—you're not making profit, but you're not losing money either. Every sale after this point is pure profit (minus variable costs).

Break-Even Units = Fixed Costs / (Price - Variable Cost)

Fixed vs Variable Costs

Fixed Costs

Stay the same regardless of sales volume:

  • • Rent / mortgage
  • • Salaries (fixed staff)
  • • Insurance premiums
  • • Software subscriptions
  • • Loan payments
  • • Utilities (base amount)
Variable Costs

Change with each unit sold:

  • • Raw materials / inventory
  • • Packaging
  • • Shipping per order
  • • Payment processing fees
  • • Sales commissions
  • • Per-unit labor

Contribution Margin

The contribution margin is how much each sale "contributes" toward covering fixed costs and then profit. It's the selling price minus variable costs.

Contribution Margin = Price - Variable Cost per Unit

Using Break-Even Analysis

  • Set sales targets – Know the minimum you need to survive
  • Evaluate pricing – See how price changes affect break-even
  • Assess new costs – Understand impact of hiring or new expenses
  • Launch decisions – Determine if a new product is viable
  • Investor pitches – Show you understand your economics

Lowering Your Break-Even Point

1. Reduce fixed costs – Negotiate rent, cut unused subscriptions, go remote

2. Raise prices – Increases contribution margin per sale

3. Lower variable costs – Better supplier deals, optimize shipping

4. Increase average order value – Bundles, upsells, minimum orders

Pro Tip

Calculate break-even for each product line separately. A product with low margins might be dragging down your overall profitability.

When to Use This Calculator

Before Launching a Product

Before committing to a product line, calculate whether you can realistically sell enough units at a viable price to cover fixed costs. A product that requires 10,000 units/month to break even may be unviable for a small business.

After Adding Fixed Costs

Every time you sign a lease, hire a salaried employee, or add a subscription, recalculate your break-even. You need to know the new minimum revenue target before committing.

Setting Sales Targets

Use the break-even point as your floor when setting monthly revenue goals. Your sales team needs to know this number — it is the minimum, not the target.

Industry Benchmarks

Typical contribution margins by business type. Higher contribution margin means you break even faster.

Business Type Contribution Margin Break-Even Difficulty
SaaS / Software75–90%Low
Consulting / Services60–80%Low–Moderate
E-commerce30–50%Moderate
Retail20–40%Moderate
Restaurant25–35%High

Common Mistakes

Classifying semi-fixed costs incorrectly

Labor that scales with output (part-time hourly staff) is variable, not fixed. Misclassifying it understates your variable costs and makes break-even look easier than it is.

Not recalculating after cost changes

Your break-even point changes every time a fixed cost or variable cost changes. Treat it as a living number, not a one-time calculation.

Ignoring product mix

If you sell multiple products, use a weighted average contribution margin. A single product with a great margin may subsidize others with poor margins without you realizing it.

Confusing cash break-even with accounting break-even

Depreciation is a non-cash fixed cost. Your cash break-even (the point where cash flow is neutral) is different from your accounting break-even and is equally important.

Data Sources

SBA Business Statistics

Break-even timelines and startup cost ranges for small businesses sourced from SBA Office of Advocacy annual reports.

BLS Occupational Outlook

Labor cost benchmarks used to model fixed vs. variable cost splits across industries.

IRS Expense Data

Fixed overhead ratios by industry from IRS Schedule C and corporate return data.

Frequently Asked Questions

What is a break-even point?

The break-even point is the number of units sold (or total revenue) where your total costs equal total revenue — you are neither profitable nor losing money. Every unit or dollar of revenue above break-even contributes to profit.

How do I calculate break-even in units?

Break-Even Units = Fixed Costs / (Selling Price - Variable Cost per Unit). The denominator is called the contribution margin per unit. For example, if fixed costs are $5,000/month, selling price is $50, and variable cost is $20, then break-even = 5000 / 30 = 167 units.

How can I lower my break-even point?

Four strategies: (1) Reduce fixed costs — negotiate rent, cut subscriptions, go remote. (2) Raise prices — increases contribution margin per sale. (3) Lower variable costs — better supplier deals, optimize shipping. (4) Increase average order value — bundles, upsells, minimum orders.

What is contribution margin?

Contribution margin is the amount each unit sold contributes toward covering fixed costs. Contribution Margin = Selling Price - Variable Cost per Unit. A higher contribution margin means fewer units needed to break even. Check PlainBizBench for typical contribution margins by industry.

How long does it typically take a small business to break even?

Most small businesses take 2-3 years to reach break-even on total startup investment, though monthly cash flow break-even (covering operating expenses) can be achieved in 6-18 months. Service businesses typically break even faster than product-based businesses because variable costs are lower.

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