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Break-Even Point Calculator

Determine exactly when your business starts making a profit.

Rent, salaries, insurance, etc.
Price charged to customers.
Materials, shipping, labor per unit.

Calculation Results

Break-Even Units 0 Items sold to cover costs
Break-Even Sales $0.00 Revenue required

Understanding the Break-Even Point

The Break-Even Point (BEP) is the crucial juncture where your total business revenues equal your total expenses. At this specific point, your business is neither making a profit nor incurring a loss. Every unit sold after reaching this point contributes directly to your net profit.

The Break-Even Formula

To calculate the break-even point in units, we use the following formula:

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

Key Components Explained

  • Fixed Costs: These are expenses that remain constant regardless of how much you sell. Examples include rent, administrative salaries, insurance, and equipment leases.
  • Variable Costs: These costs fluctuate directly with your production or sales volume. Examples include raw materials, packaging, shipping, and sales commissions.
  • Contribution Margin: This is the Selling Price minus the Variable Cost. It represents the amount of money from each sale that "contributes" toward covering your fixed costs.

Real-World Example

Imagine you run a specialty coffee shop:

  • Fixed Costs: $3,000 per month (Rent & Utilities)
  • Selling Price: $5.00 per latte
  • Variable Cost: $1.50 (Coffee beans, milk, cup)

Your Contribution Margin is $3.50 ($5.00 – $1.50). To break even, you divide your fixed costs ($3,000) by your margin ($3.50), resulting in 857 lattes per month. To find the dollar amount, you multiply 857 by the $5.00 selling price, which equals $4,285 in monthly sales.

function calculateBreakEven() { var fixedCosts = parseFloat(document.getElementById("fixedCosts").value); var sellingPrice = parseFloat(document.getElementById("sellingPrice").value); var variableCost = parseFloat(document.getElementById("variableCost").value); var resultsArea = document.getElementById("resultsArea"); var unitsResult = document.getElementById("unitsResult"); var salesResult = document.getElementById("salesResult"); var summaryText = document.getElementById("summaryText"); if (isNaN(fixedCosts) || isNaN(sellingPrice) || isNaN(variableCost)) { alert("Please enter valid numbers for all fields."); return; } if (sellingPrice <= variableCost) { alert("Selling price must be higher than variable cost to reach a break-even point."); resultsArea.style.display = "none"; return; } // Calculation Logic var contributionMargin = sellingPrice – variableCost; var bepUnits = Math.ceil(fixedCosts / contributionMargin); var bepSales = bepUnits * sellingPrice; // Formatting unitsResult.innerHTML = bepUnits.toLocaleString(); salesResult.innerHTML = "$" + bepSales.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); summaryText.innerHTML = "To cover your monthly fixed costs of $" + fixedCosts.toLocaleString() + ", you need to sell " + bepUnits.toLocaleString() + " units. Your 25th unit (and beyond) will begin generating a net profit of $" + contributionMargin.toLocaleString() + " per unit."; resultsArea.style.display = "block"; resultsArea.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

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