Break Even Calculator
Compute Break Even by entering original price, cost, and discount rate. Instantly see final price, savings amount, margin percentage, and profit figures.
Break-Even Calculator — Business Profitability Analysis
Calculate your business break-even point in units and revenue. Understand contribution margin, fixed vs variable costs, and plan your path to profitability.
Last updated: January 2026Reviewed by NovaCalculator Finance Editorial Team
Calculator
Adjust values & calculateProfit/Loss by Volume
Formula
Where Break-Even Units = the number of units that must be sold to cover all costs, Fixed Costs = total costs that do not change with volume (rent, salaries, etc.), Price Per Unit = selling price of each unit, Variable Cost Per Unit = cost that varies with each unit produced (materials, shipping, etc.). The denominator (Price - Variable Cost) is called the Contribution Margin per unit.
Last reviewed: January 2026
Worked Examples
Example 1: Small Business Break-Even
Example 2: SaaS Subscription Service
Background & Theory
The Break-Even Calculator — Business Profitability Analysis applies the following established principles and formulas. Break-even analysis identifies the sales volume at which total revenue equals total costs, producing neither profit nor loss. The formula divides total fixed costs by the contribution margin per unit, where contribution margin equals selling price minus variable cost per unit. If a software product has $50,000 in monthly fixed costs and each licence generates $20 above its variable cost, break-even requires 2,500 unit sales per month. Above that threshold, each additional unit contributes directly to profit. Gross margin expresses the percentage of revenue remaining after direct cost of goods sold: gross margin equals revenue minus COGS, divided by revenue. A SaaS company with 80 percent gross margins retains $0.80 of every revenue dollar to cover operating expenses, while a manufacturer with 30 percent gross margins faces much tighter operating leverage. Customer acquisition cost (CAC) divides total sales and marketing expenditure in a period by the number of new customers acquired in that same period. Customer lifetime value (LTV) estimates the total profit attributable to a customer relationship. The standard formula multiplies average revenue per user (ARPU) by gross margin and divides by the monthly churn rate. A business with $50 ARPU, 75 percent gross margin, and 2 percent monthly churn has an LTV of $1,875. The LTV:CAC ratio benchmarks unit economics health; a ratio above 3:1 is generally considered sustainable, while ratios below 1:1 indicate the business is acquiring customers at a loss. Burn rate measures monthly cash expenditure net of revenue. Cash runway equals current cash reserves divided by net monthly burn. A company with $1.2 million in the bank burning $100,000 per month has twelve months of runway. The Rule of 40 is a benchmark for SaaS health: the sum of annual revenue growth rate (as a percentage) and profit margin (as a percentage) should equal or exceed 40. High-growth companies burning cash can still pass this rule if their growth rate compensates.
History
The history behind the Break-Even Calculator — Business Profitability Analysis traces back through the following developments. Early economic thought centred on mercantilism, the 16th and 17th century doctrine that national wealth derived from accumulating precious metals through export surpluses and colonial extraction. Adam Smith's "Wealth of Nations" in 1776 dismantled this framework, arguing that genuine prosperity arose from specialisation, division of labour, and freely operating markets. David Ricardo extended Smith's work with the theory of comparative advantage in 1817, demonstrating mathematically that mutually beneficial trade was possible even when one country was less productive in every industry. Alfred Marshall's "Principles of Economics" published in 1890 provided the modern framework of supply and demand curves, consumer surplus, price elasticity, and marginal analysis, establishing neoclassical economics as the dominant academic paradigm for decades. The Great Depression exposed the limits of laissez-faire assumptions, and John Maynard Keynes's "General Theory of Employment, Interest and Money" in 1936 argued that private-sector aggregate demand failures required countercyclical government fiscal intervention to restore full employment, shifting the policy consensus toward active macroeconomic management. The post-World War II decades constructed mixed-economy models combining market allocation with expanded welfare states and Keynesian demand management. Milton Friedman and the Chicago School challenged this consensus from the 1960s onward, championing monetarism and arguing that stable money supply growth was superior to discretionary fiscal policy. Their influence shaped the deregulatory and privatisation policies of the Reagan and Thatcher eras in the 1980s. Behavioural economics emerged through the work of Daniel Kahneman and Amos Tversky in the 1970s and Richard Thaler in the 1980s, using psychology to demonstrate that real human decision-making deviates systematically from rational-actor models through heuristics and biases. The rise of the internet and mobile platforms in the 2000s and 2010s created a new category of platform economics, where network effects, near-zero marginal cost of digital goods, and two-sided market dynamics generated winner-take-most competitive outcomes requiring new analytical frameworks for business valuation.
Frequently Asked Questions
Reviewed by Daniel Agrici, Founder & Lead Developer · Editorial policy
Break Even Calculator Formula
Break-Even Units = Fixed Costs / (Price Per Unit - Variable Cost Per Unit)
Where Break-Even Units = the number of units that must be sold to cover all costs, Fixed Costs = total costs that do not change with volume (rent, salaries, etc.), Price Per Unit = selling price of each unit, Variable Cost Per Unit = cost that varies with each unit produced (materials, shipping, etc.). The denominator (Price - Variable Cost) is called the Contribution Margin per unit.
Break Even Calculator — Worked Examples
Example 1: Small Business Break-Even
Problem: A bakery has $50,000 in annual fixed costs (rent, salaries, insurance). Variable cost per cake is $25 (ingredients, packaging). Selling price is $75 per cake. How many cakes must they sell to break even?
Solution: Contribution margin per cake: $75 - $25 = $50\nContribution margin %: ($50 / $75) x 100 = 66.67%\nBreak-even units: $50,000 / $50 = 1,000 cakes\nBreak-even revenue: 1,000 x $75 = $75,000\nAt 1,000 cakes: Revenue $75,000 = Costs ($50,000 + $25,000) = $75,000
Result: Break-Even: 1,000 cakes | Revenue: $75,000 | Margin: $50/cake (66.67%)
Example 2: SaaS Subscription Service
Problem: A SaaS startup has $120,000/year fixed costs. Variable cost per customer is $8/month ($96/year for hosting, support). Subscription price is $29/month ($348/year).
Solution: Contribution margin per customer per year: $348 - $96 = $252\nContribution margin %: ($252 / $348) x 100 = 72.41%\nBreak-even customers: $120,000 / $252 = 477 customers (rounded up)\nBreak-even revenue: 477 x $348 = $165,996/year\nMonthly break-even revenue: $165,996 / 12 = $13,833
Result: Break-Even: 477 customers | Annual Revenue: $165,996 | Margin: $252/customer (72.41%)
Break Even Calculator — Frequently Asked Questions
What is a break-even analysis and why is it important?
A break-even analysis determines the point at which total revenues equal total costs, meaning the business neither makes a profit nor incurs a loss. This is one of the most fundamental and widely used tools in business planning and financial analysis. The break-even point tells entrepreneurs how many units they need to sell (or how much revenue they need to generate) to cover all costs. This information is critical for pricing decisions, budgeting, financial planning, and evaluating the viability of a new product or business venture. Investors and lenders often require break-even analysis in business plans. It also helps managers understand the relationship between costs, volume, and profit — known as CVP (Cost-Volume-Profit) analysis — enabling better strategic decisions about scaling, pricing, and cost management.
How can I lower my break-even point?
There are three primary strategies to lower the break-even point: reduce fixed costs, reduce variable costs per unit, or increase the selling price. Reducing fixed costs might involve negotiating lower rent, outsourcing non-core functions, switching to remote work to eliminate office space, or refinancing debt at lower rates. Reducing variable costs could include negotiating better supplier prices through bulk purchasing, improving production efficiency, reducing waste, or switching to cheaper materials (without sacrificing quality). Increasing the selling price raises the contribution margin, but must be balanced against market demand and competition. A combined approach is often most effective. Additionally, some businesses introduce higher-margin products or services, use subscription models for predictable revenue, or automate processes to convert variable labor costs into fixed technology costs.
What are the limitations of break-even analysis?
Break-even analysis is a simplified model that makes several assumptions that may not hold in real-world scenarios. First, it assumes all units produced are sold, ignoring inventory issues. Second, it assumes fixed costs remain truly fixed, when in reality they may change in steps (hiring additional staff at certain volumes). Third, it assumes variable costs are perfectly linear per unit, when economies of scale or bulk discounts can change this. Fourth, it assumes a single product or constant product mix, which rarely reflects actual business operations. Fifth, it does not consider the time value of money or the timing of cash flows. Finally, it assumes the selling price remains constant regardless of volume, ignoring potential discounts for large orders or market price sensitivity. Despite these limitations, break-even analysis remains invaluable as a starting point for financial decision-making.
How accurate are the results from Break Even Calculator?
All calculations use established mathematical formulas and are performed with high-precision arithmetic. Results are accurate to the precision shown. For critical decisions in finance, medicine, or engineering, always verify results with a qualified professional.
How do I get the most accurate result?
Enter values as precisely as possible using the correct units for each field. Check that you have selected the right unit (e.g. kilograms vs pounds, meters vs feet) before calculating. Rounding inputs early can reduce output precision.
Can I use Break Even Calculator on a mobile device?
Yes. All calculators on NovaCalculator are fully responsive and work on smartphones, tablets, and desktops. The layout adapts automatically to your screen size.