Break-even calculator
Enter your fixed costs, price per unit, and variable cost per unit below. Calcority calculates the exact unit and revenue break-even point, and plots it on a live chart.
Break-even units
320
Break-even revenue
$12,800
The formula
Every version of break-even is the same division: the costs you cannot avoid, divided by what one sale contributes toward them.
Use the revenue form when you sell many products at different prices and cannot reduce the catalogue to a single unit. It requires only a blended margin percentage, which most accounting exports can produce directly.
Three worked examples
Three completely different businesses, three completely different break-even shapes, because the formula was never the hard part. What you actually charge and what it actually costs you is.
A freelance graphic designer
One-person studio, hourly billing.
Break-even volume
25 hrs
billable hours a month, about six a week.
A food truck
Single truck, one average ticket.
Break-even volume
912
tickets a month, about 30 a day.
A subscription box company
Recurring monthly billing, one tier.
Break-even volume
824
active subscribers.
Break-even across business types, side by side
Laying the three worked examples above side by side makes the pattern easier to see than reading them one at a time.
The designer's low fixed costs and wide hourly margin make for the easiest bar to clear in absolute terms, but the subscription box, despite needing a much larger customer count, has the most predictable revenue once it clears that bar, since subscribers renew automatically rather than needing to be re-sold every month. Break-even tells you how hard the climb is; it doesn't tell you how stable the ground is once you're there.
How to lower your break-even point
Three levers move the number, and they're not interchangeable. Each one trades off against something else.
The fastest lever, and the one owners are most reluctant to pull. On the food truck example above, raising the average ticket from $11 to $12 while holding costs steady lifts the contribution margin from $6.80 to $7.80. Break-even drops from 912 tickets to 795, an 87-ticket-a-month improvement from one dollar.
Renegotiating a supplier rate, switching packaging, or reducing waste all widen the contribution margin without touching price, often the least visible lever to customers, which makes it the safest one to pull first.
The most direct lever, but the one with a ceiling. Rent, salaries, and insurance can only come down so far before the business itself stops functioning. Best used for costs that genuinely aren't earning their keep: an unused software subscription, a lease bigger than the business needs.
A fixed-cost checklist before you calculate
Run through this list before entering a fixed-cost figure, it's the input most commonly understated, and every item here has a way of getting left out of a quick mental tally.
- Rent or mortgage, including any common-area fees
- Salaries and benefits, including your own if you draw one or would need to
- Insurance: liability, property, professional
- Software and subscriptions, including annual ones divided by twelve
- Loan payments and interest
- Equipment lease or depreciation on owned equipment
- Licenses, permits, and professional dues that renew annually
- Marketing retainers or fixed advertising commitments
Add up a full year of each, divide by twelve, and use that monthly average rather than whatever happened to appear on last month's bank statement.
Common mistakes
The formula only works if fixed and variable costs are genuinely separated. A salesperson's base salary is fixed; their commission is variable. Getting this split wrong distorts everything downstream.
A surprisingly common error: dividing fixed costs by the selling price rather than by the contribution margin. The result comes out far too low, and the business looks profitable well before it actually is.
Equipment purchases, an annual insurance renewal, a website rebuild. These don't show up in a typical month's bills but are real costs. Spread them across the months they actually cover before treating monthly fixed costs as complete.
A break-even figure calculated in January is only accurate until the next rent increase, price change, or new subscription. Recalculate whenever a cost or price changes materially, not just once at the start of the year.
What break-even point doesn't tell you
It's worth being clear about the edges of what this number actually measures, so it doesn't get asked to do more than it can.
Break-even is purely internal math: fixed costs, price, and variable cost. Whether your market can actually absorb 912 tickets a month is a market-research question, not something the formula answers.
A price increase that improves your break-even math on paper might invite a competitor to undercut you, changing the actual volume you can sell at that price.
Reaching break-even in month eight versus month three matters enormously for how much runway a business needs, but the break-even point itself is a steady-state figure, it doesn't say how long it takes to get there from zero.
Use it as one input among several, not a complete business case on its own.
Reading the answer honestly
The break-even point this calculator produces is an accounting break-even, the point where revenue equals costs on paper, the moment a sale is recorded. It is not the same as cash break-even, the point where the money is actually sitting in your account.
A business can be hitting its accounting break-even every month and still be short on cash.
If customers pay on 30- or 60-day terms, or you pay suppliers before customers pay you, this is a common way profitable-looking businesses run into trouble, the break-even math was right, but it didn't account for when the money actually moves. If your business carries inventory or extends payment terms, treat break-even as one input to cash planning, not the whole picture.
Using break-even to decide on a price before you launch
The most useful moment to run this calculator is before a price is set, not after. Plug in your estimated fixed costs and variable cost per unit at a few candidate prices, and look at the break-even units each one produces.
If a $20 price point needs 3,000 units and your market can absorb 800, the price is wrong before a single sale happens.
That's not a failure of execution, a mismatch baked into the plan. Testing prices against break-even before launch is cheaper than discovering the same problem six months into slow sales. The reverse is also worth checking: a price so high that break-even looks trivially easy on paper may simply be unrealistic for what the market will actually pay. Pair the number with real market research, not just the formula.
Break-even in units vs. revenue, which should you track?
Both numbers come from the same calculation, but they answer different day-to-day questions. A retailer or a business selling one clearly defined product tends to think in units, a concrete, trackable daily target that maps directly onto a sales floor. A service business with variable pricing tends to think in revenue instead.
"We need $25,088 in revenue" is a more stable target than a unit count that never maps cleanly onto one product.
Track whichever one your team actually reports on day to day, the number is only useful if someone is checking it against something real.
Break-even point at different business stages
Every input is an estimate. Run the numbers with conservative fixed costs and a realistic price, then stress-test by raising fixed costs 10–15% to see how sensitive the result is to underestimating early expenses. Most new businesses underestimate fixed costs, not overestimate them.
This is the stage where recalculating monthly matters most. Costs are still settling, pricing may still be getting tested, and the gap between actual sales and the break-even line is the most useful number to watch week over week.
The question shifts from "when do we get there" to "how much margin of safety do we have." A mature business recalculating quarterly, or after any material cost or price change, is usually sufficient.
Treat a new product line or location as its own break-even calculation with its own fixed and variable costs, rather than folding it into the existing business's numbers. Blending them together hides whether the new line is actually pulling its own weight.
Presenting break-even numbers to a lender or investor
A break-even figure dropped into a pitch deck or loan application without its assumptions is close to meaningless to the person reading it. They have no way to judge whether $1,800 in fixed costs or 25 hours a month is realistic for your specific situation.
A stronger version shows the three inputs plainly, states where each estimate came from (a signed lease, a quoted hourly rate, a supplier quote for materials), and includes the sensitivity check. What the break-even number looks like if fixed costs run 15% over estimate. Lenders and investors are trained to look for exactly this kind of stress-testing, and its absence is often read as a sign the numbers weren't examined closely.
Pair the break-even figure with a realistic timeline for reaching it, not just the number itself, a lender wants to know both the destination and roughly how long the trip takes.
What to do after you see your break-even number
The number itself is only the starting point. What you do with it depends on where it lands relative to what your business can realistically achieve.
If break-even looks easily achievable: well below what you already sell, or well below realistic market demand, the immediate next question is whether you're leaving money on the table with a price set too low, or fixed costs that could support faster growth than you're currently pursuing.
If break-even looks roughly achievable but tight: close to your realistic sales ceiling, this is the range where small changes matter most. Revisit the three levers one at a time and see which one moves the number enough to create real breathing room.
If break-even looks unrealistic: well beyond what the market can plausibly absorb, this is the signal to rework the plan before launch, not after. Test a higher price first, since it's usually the fastest lever.
In every case, the follow-up move is the same: change one input, recalculate, and see how much the number actually moves.
Frequently asked
No. Standard break-even analysis is pre-tax by convention, the same way the formula is taught in accounting courses and used in business plans. If you want a tax-adjusted number, add your estimated tax liability at your target profit level into the fixed-cost or target-profit figure before calculating.
Use what customers actually pay. If you regularly discount, run promotions, or see returns, your effective price is lower than the list price. A business that lists a product at $50 but sells at an average of $42 after discounts should enter $42, or the break-even number will be too optimistic.
Estimate conservatively and revisit monthly. New businesses routinely underestimate fixed costs because annual or one-time expenses (insurance renewals, software renewals, equipment maintenance) don't show up in a single month's bills. Look at what a full year would cost, divide by twelve, and use that.
It's the same formula, but a single annual figure can hide the real picture if your business is seasonal. A retailer that does 40% of annual revenue in November and December has a very different break-even reality in February. Calculating separate break-even figures for peak and off-peak periods gives a more usable monthly target.
Yes. Replace "units" with billable hours, sessions, or client engagements. The formula is identical: fixed costs divided by the margin each billable hour contributes after direct costs (contractor pay, project-specific software, materials). Service businesses often overlook non-billable time (admin, sales, training) when estimating how many "units" they can realistically deliver. Factor that in separately from the break-even math itself.
Check whether you're paying yourself a market-rate salary in your fixed costs. It's common, especially for owner-operators in the first year or two, to calculate break-even as if the owner's time is free. If you wouldn't do the job for someone else at $0, your fixed costs should include a real salary line for your own role, even if you're not currently drawing it.
Your effective price drops for the discounted units, which lowers your contribution margin and raises break-even for those sales. Model discounted and full-price sales as separate contribution margins if discounts make up a meaningful share of revenue. Blending them into one average price will understate how many units you actually need.
Yes, this is one of the most common uses. Pre-launch, every input is an estimate rather than a historical fact, so run the numbers with a conservative fixed-cost estimate and a realistic price, then stress-test by raising fixed costs 10-15% to see how sensitive the break-even point is to underestimating early expenses.
A price increase generally moves the break-even number faster than an equivalent-sized cost cut, because a price increase flows entirely into contribution margin while a cost cut of the same dollar amount is spread across every unit already being produced. On the food truck example above, raising price by $1 improved contribution margin by the full dollar; cutting variable cost by the same amount produces an identical improvement, but cutting fixed costs by $1 barely moves the break-even point at all, since fixed costs are divided across a much larger base.
For the full formula derivation and the difference between break-even point and break-even analysis, see what is break-even point. To see how much of each sale is actually available after costs, try the contribution margin calculator.