What Is a Break-Even Point?
The break-even point is the exact number of units (or amount of revenue) at which your total revenue equals your total costs. Below it, you're losing money. Above it, you're profitable. It's one of the most important numbers in any business — and one of the most commonly skipped.
Every business has a break-even point. Most owners either don't know theirs or calculated it once at launch and never updated it.
The Formula
Break-Even Units = Fixed Costs ÷ (Price per Unit − Variable Cost per Unit)
For revenue-based break-even: Break-Even Revenue = Fixed Costs ÷ Contribution Margin Ratio
Where contribution margin ratio = (Price − Variable Cost) ÷ Price
Real-World Example
You're running a candle business. Here's your cost structure:
Monthly fixed costs:
- Rent: $800
- Website + tools: $100
- Insurance: $50
- Total: $950/month
Per candle variable costs:
- Wax, wick, jar, fragrance: $4.50
- Packaging + labels: $1.00
- Total: $5.50/candle
Selling price: $22.00
Contribution margin: $22.00 − $5.50 = $16.50 per candle Break-even: $950 ÷ $16.50 = 57.6 candles → round to 58
Candle #58 covers your last dollar of costs. Candle #59 is pure profit.
Here's how pricing changes your break-even:
| Selling Price | Variable Cost | Contribution Margin | Break-Even Units | |--------------|---------------|---------------------|-----------------| | $18.00 | $5.50 | $12.50 | 76 units | | $20.00 | $5.50 | $14.50 | 66 units | | $22.00 | $5.50 | $16.50 | 58 units | | $25.00 | $5.50 | $19.50 | 49 units | | $28.00 | $5.50 | $22.50 | 43 units |
Raising your price from $18 to $25 cuts your break-even requirement by 27 units. If you can sell 49 candles at $25 instead of 76 at $18, you're doing less work for the same outcome.
Fixed vs. Variable Costs — Why the Distinction Matters
Fixed costs don't change with sales volume: rent, salaries, insurance, software subscriptions. You pay them whether you sell 0 units or 10,000.
Variable costs scale with what you produce: materials, shipping, transaction fees, packaging. The more you sell, the more you spend.
This matters because it shapes your break-even trajectory entirely. A business with high fixed costs and low variable costs (SaaS software, for example) has a steep climb to break-even but becomes highly profitable once it's crossed. A business with low fixed costs and high variable costs (dropshipping, reselling) has an easier break-even but thinner margins at scale.
Neither model is better. They're just different.
Break-Even for Service Businesses
Service businesses often think in hours, not units. Same math, different unit.
Say you're a freelance designer. Monthly fixed costs, including your salary goal: $3,000. You bill at $100/hour, and incur roughly $15/hour in tools, software, and overhead.
Contribution per hour: $100 − $15 = $85 Break-even hours: $3,000 ÷ $85 = 35.3 billable hours/month
That's doable — about 9 hours/week. And it immediately tells you: if you're billing fewer than 35 hours a month, you're in the red. Bill 50 hours, and you're putting $1,275 in genuine profit beyond your base.
Three Ways to Lower Your Break-Even Point
1. Cut Fixed Costs First
Every dollar of fixed costs you eliminate reduces how many units you need to sell. Renegotiate leases, audit subscriptions, reduce overhead. These improvements apply whether you sell 10 units or 10,000 — they permanently shift your floor.
2. Raise Prices (Test It First)
Pricing is the fastest lever for break-even improvement. Going from $22 to $25 on the candle example above cuts break-even by 9 units. The risk is volume loss — but many businesses discover their customers are less price-sensitive than assumed. Test a modest increase before writing it off.
3. Reduce Variable Costs
Negotiate better supplier rates, buy materials in bulk, find a more efficient production method. Every dollar shaved off variable cost widens your contribution margin and lowers break-even. Unlike a price increase, it doesn't risk customer pushback.
Break-Even for Subscription Businesses
The standard break-even formula works cleanly for products and one-time services. Subscription businesses are trickier — revenue comes in over months or years, not all at once. You need a different framing.
The key metrics are CAC (customer acquisition cost) and LTV (lifetime value).
Say you run a $20/month SaaS product. Your average customer churns after 10 months — that's $200 in lifetime revenue. Your cost to acquire each customer (ads, sales, onboarding) is $120.
Break-even per customer: $120 ÷ $20 = 6 months
After month 6, you're profitable on that customer. Months 7–10 are margin.
Now layer in fixed costs. If your monthly infrastructure and overhead is $5,000:
Break-even subscribers: $5,000 ÷ $20 = 250 active subscribers
You need 250 paying subscribers just to cover operating costs — before any profit. This is your operational break-even, separate from your per-customer break-even.
Why this matters: at 10% monthly churn, you're losing 25 subscribers per month if you have 250. To stay at break-even, you need to acquire 25 new subscribers every month just to stay flat. Growth requires acquiring more than 25. This is the treadmill problem that kills subscription businesses that don't track churn alongside break-even.
The fix is knowing your numbers cold: CAC, LTV, churn rate, and operating break-even subscriber count. Together they tell you whether your acquisition model is sustainable — or whether you're adding customers while quietly losing money.
Try It Yourself
Break-even is most useful when you run multiple scenarios — different prices, different cost structures, different volumes. Our Break-Even Calculator lets you model all of it instantly.
Pair it with our Profit Margin Calculator to see not just when you break even, but how profitable you become at different sales volumes once you're past it. If you're a freelancer or service business owner, our Freelancer Finance Toolkit shows how break-even thinking applies to your business model, and our Profit Margin Guide digs deeper into margin optimization once you're past the break-even point.