Calculate your break-even point in units and revenue. Find contribution margin, margin of safety, and target profit units. Essential for every business plan and pricing decision.
Break-Even Analysis
Find the exact number of units and revenue needed to cover all your costs.
💰 Pricing
The price you charge customers per unit
Materials, packaging, shipping per unit
🏢 Fixed Costs
Rent, salaries, insurance, loan repayments
📈 Current Sales (Optional)
Used to calculate margin of safety
Break-Even Results
📊
Enter your selling price, variable cost per unit and fixed costs to find your break-even point.
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Break-Even Units per Month
Break-Even Revenue
Contribution Margin
CM Ratio
Units/Day Needed
Full Breakdown
Selling price/unit
Variable cost/unit
Contribution margin/unit
Monthly fixed costs
Break-even units
Break-even revenue
Target Profit Calculator
How many units do you need to sell to hit a specific profit target?
💰 Pricing
🎯 Profit Target
How much profit do you want to make per month?
Target Profit Results
🎯
Enter your costs and desired profit to find your target sales volume.
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Units Needed for Target Profit
Break-Even Units
Extra Units Above BE
Target Revenue
Units/Day Needed
Breakdown
Break-even units
Additional units for profit
Total units needed
Target revenue
Target profit
Margin of Safety Calculator
How much can your sales fall before you start making a loss?
📊 Sales Data
🏢 Costs
Margin of Safety Results
🛡️
Enter your current sales and costs to find your margin of safety.
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Margin of Safety
Safety Units
Safety Revenue
Break-Even Units
Current Profit
Break-Even Analysis — Complete Guide
Break-even analysis is one of the most fundamental tools in business finance. It tells you exactly how much you need to sell before your business starts making money — and gives you a clear target to work toward. Every business plan, pricing decision, and new product launch should start with a break-even analysis.
The Break-Even Formula
Break-Even Units = Fixed Costs ÷ Contribution Margin per Unit
Contribution Margin per Unit = Selling Price − Variable Cost per Unit
Break-Even Revenue = Fixed Costs ÷ Contribution Margin Ratio
Contribution Margin Ratio = Contribution Margin ÷ Selling Price
Worked example:
Fixed costs: $5,000/month | Selling price: $50 | Variable cost: $30
Contribution margin = $50 − $30 = $20 per unit
Break-even units = $5,000 ÷ $20 = 250 units/month
Break-even revenue = 250 × $50 = $12,500/month
CM ratio = $20 ÷ $50 = 40% — meaning 40 cents of every dollar of revenue covers costs and profit.
Fixed Costs vs Variable Costs — Understanding the Difference
Getting the distinction between fixed and variable costs right is the foundation of accurate break-even analysis. Many business owners misclassify costs and end up with a break-even calculation that underestimates their true costs.
🏢 Fixed Costs
Stay the same regardless of how many units you produce or sell. You pay them whether you sell 1 unit or 10,000.
Change in direct proportion to the number of units produced or sold. Zero units = zero variable costs.
Examples: raw materials, packaging, shipping, sales commissions, payment processing fees, direct labour per unit.
Contribution Margin — The Engine of Break-Even
The contribution margin is the most important number in break-even analysis. It tells you how much each unit sold contributes toward covering fixed costs and generating profit. A high contribution margin means you reach break-even quickly. A low contribution margin means you need to sell a large volume to cover your costs.
Example: If your contribution margin is $5 per unit and your fixed costs are $10,000, you need to sell 2,000 units to break even. If you raise your price by $5 (contribution margin becomes $10), you only need to sell 1,000 units to break even — half as many.
💡 Key insight: A small increase in selling price has a much larger effect on break-even than a similar reduction in variable costs, because it goes directly to the contribution margin. Increasing your price by 10% often reduces your break-even point by 20-30% or more.
Margin of Safety — How Resilient is Your Business?
The margin of safety tells you how much your sales can fall before you start making a loss. It's a measure of business resilience — the larger your margin of safety, the more buffer you have against a downturn, a bad month, or unexpected competition.
Margin of Safety (units) = Current Sales − Break-Even Sales
Margin of Safety (%) = (Current Sales − Break-Even Sales) ÷ Current Sales × 100
A margin of safety above 25% is generally considered healthy. Below 15% means the business is vulnerable to even small sales fluctuations. Use the Margin of Safety tab above to calculate yours.
How to Lower Your Break-Even Point
There are three levers you can pull to reduce your break-even point:
1. Increase your selling price — The most powerful lever. Even a 5-10% price increase dramatically reduces break-even units. Test whether your customers will accept a price increase before making other changes.
2. Reduce variable costs — Negotiate better supplier pricing, find cheaper materials, reduce packaging costs, improve production efficiency. Every $1 saved on variable costs adds $1 to your contribution margin.
3. Reduce fixed costs — Renegotiate rent, move to remote working, reduce subscriptions, turn fixed costs into variable costs where possible (e.g. hire freelancers instead of full-time staff during early growth stages).
⚠️ Break-even limitations: Break-even analysis assumes all units produced are sold, costs behave linearly, and selling price is constant. In reality, you may offer discounts on large orders, costs may change at different volumes, and some products sell faster than others. Use break-even as a planning tool and starting point, not as an exact prediction.
Frequently Asked Questions
What is the break-even point?
The break-even point is where total revenue equals total costs — no profit and no loss. Below break-even you operate at a loss. Above break-even every additional unit generates profit. Formula: Break-Even Units = Fixed Costs ÷ (Selling Price − Variable Cost per Unit).
How do I calculate break-even point?
Step 1: Calculate contribution margin per unit = selling price − variable cost per unit. Step 2: Divide fixed costs by contribution margin per unit. Example: Fixed costs $10,000, selling price $50, variable cost $30. CM = $20. Break-even = $10,000 ÷ $20 = 500 units per month.
What is contribution margin?
Contribution margin is selling price minus variable cost per unit. It's how much each unit sold contributes toward covering fixed costs and then generating profit. A $20 contribution margin on fixed costs of $10,000 means you need to sell 500 units before making any profit.
What is margin of safety in break-even analysis?
Margin of safety is how much your sales can fall before you start making a loss. Formula: (Current Sales − Break-Even Sales) ÷ Current Sales × 100. A 30% margin of safety means sales can fall 30% before you hit break-even. Above 25% is healthy. Below 15% means the business is at risk from small downturns. Use the Margin of Safety tab above.
What are fixed costs and variable costs?
Fixed costs are the same regardless of sales volume — rent, salaries, insurance, loan repayments. Variable costs change with production volume — materials, packaging, shipping. This distinction is critical for break-even analysis. Only variable costs affect contribution margin per unit.
How do I lower my break-even point?
Three levers: (1) Increase selling price — most powerful, even small increases significantly reduce break-even units. (2) Reduce variable costs per unit through better supplier deals or efficiency. (3) Reduce fixed costs by renegotiating rent or subscriptions. A price increase is usually the fastest and most effective lever.
How many units do I need to sell to make a target profit?
Formula: Target Units = (Fixed Costs + Target Profit) ÷ Contribution Margin per Unit. Example: fixed costs $10,000, target profit $5,000, CM $20 per unit. Target units = $15,000 ÷ $20 = 750 units per month. Use the Target Profit tab in the calculator above.
When should I do a break-even analysis?
Always do a break-even analysis before: launching a new product, starting a business, changing your pricing, taking on a lease or loan, hiring new staff, or entering a new market. It's also worth recalculating break-even whenever your costs change significantly — supplier price increases, rent renewals, or new overheads.
How do I calculate the break-even point?
Break-Even Point (units) = Fixed Costs ÷ Contribution Margin per Unit. Contribution Margin per Unit = Selling Price − Variable Cost per Unit. Example: Fixed costs $10,000, selling price $50, variable cost $30. Contribution margin = $20. Break-even = $10,000 ÷ $20 = 500 units. To find break-even in revenue: Break-Even Revenue = Fixed Costs ÷ Contribution Margin Ratio. Contribution Margin Ratio = Contribution Margin ÷ Selling Price.
What is margin of safety?
Margin of safety is the difference between actual (or projected) sales and the break-even sales level. It tells you how much sales can fall before the business makes a loss. Formula: Margin of Safety = Current Sales − Break-Even Sales. As a percentage: (Current Sales − Break-Even Sales) ÷ Current Sales × 100. A higher margin of safety means a more resilient business with more buffer against a sales downturn.
What is the difference between fixed costs and variable costs?
Fixed costs stay the same regardless of how many units you produce or sell — rent, salaries, insurance, loan repayments. Variable costs change in proportion to production volume — materials, packaging, shipping, sales commissions. Understanding this distinction is fundamental to break-even analysis because only variable costs affect the contribution margin per unit.
How do I calculate break-even with multiple products?
For a business with multiple products, calculate a weighted average contribution margin based on your sales mix. Multiply each product's contribution margin by its percentage of total sales, then sum the results to get the weighted average contribution margin. Divide your total fixed costs by this weighted average to get the break-even point in total units.
What is a target profit and how do I calculate it?
A target profit calculation tells you how many units you need to sell to achieve a specific profit goal. Formula: Target Profit Units = (Fixed Costs + Target Profit) ÷ Contribution Margin per Unit. Example: fixed costs $10,000, target profit $5,000, contribution margin $20 per unit. Target units = ($10,000 + $5,000) ÷ $20 = 750 units. Use the Target Profit tab in the calculator above.
Related Business Tools
→ Profit Margin Calculator — Once past break-even, calculate your gross, net and operating profit margins.
→ Startup Cost Estimator — Plan your full launch budget before calculating break-even for a new business.
→ Business Loan Calculator — Calculate monthly loan repayments to include in your fixed costs.
→ ROI Calculator — Calculate the return on investment for any business decision or campaign.
Founder, ToolsNook · Islamabad, Pakistan · Last updated: 9 July 2026
How we build and check these tools: our methodology
These figures are informational, not financial advice. ToolsNook is not an accountancy practice or a financial adviser. Real outcomes depend on your jurisdiction, your tax position, and facts a calculator cannot know. Use this to understand the shape of a number, then speak to a qualified professional before acting on it.