.bec-calculator-wrapper {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
border: 1px solid #e2e8f0;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
background: #fff;
}
.bec-header {
background: #2c3e50;
color: white;
padding: 20px;
text-align: center;
}
.bec-header h2 {
margin: 0;
font-size: 24px;
}
.bec-body {
padding: 25px;
display: grid;
grid-template-columns: 1fr 1fr;
gap: 30px;
}
@media (max-width: 768px) {
.bec-body {
grid-template-columns: 1fr;
}
}
.bec-input-group {
margin-bottom: 20px;
}
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display: block;
margin-bottom: 8px;
font-weight: 600;
color: #4a5568;
font-size: 14px;
}
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width: 100%;
padding: 10px 12px;
border: 1px solid #cbd5e0;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
transition: border-color 0.2s;
}
.bec-input-group input:focus {
border-color: #3182ce;
outline: none;
}
.bec-input-helper {
font-size: 12px;
color: #718096;
margin-top: 4px;
}
.bec-btn {
background-color: #3182ce;
color: white;
border: none;
padding: 12px 20px;
font-size: 16px;
font-weight: bold;
border-radius: 4px;
cursor: pointer;
width: 100%;
transition: background-color 0.2s;
margin-top: 10px;
}
.bec-btn:hover {
background-color: #2b6cb0;
}
.bec-results {
background-color: #f7fafc;
padding: 20px;
border-radius: 6px;
border: 1px solid #e2e8f0;
}
.bec-result-item {
margin-bottom: 15px;
border-bottom: 1px solid #e2e8f0;
padding-bottom: 10px;
}
.bec-result-item:last-child {
border-bottom: none;
margin-bottom: 0;
padding-bottom: 0;
}
.bec-result-label {
font-size: 13px;
text-transform: uppercase;
letter-spacing: 0.5px;
color: #718096;
margin-bottom: 5px;
}
.bec-result-value {
font-size: 24px;
font-weight: bold;
color: #2d3748;
}
.bec-result-value.highlight {
color: #3182ce;
}
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font-size: 14px;
margin-top: 10px;
display: none;
}
.seo-content {
padding: 30px;
border-top: 1px solid #e2e8f0;
background: #fff;
color: #2d3748;
line-height: 1.6;
}
.seo-content h2, .seo-content h3 {
color: #2c3e50;
margin-top: 25px;
}
.seo-content ul {
padding-left: 20px;
}
.seo-content li {
margin-bottom: 10px;
}
What is a Break-Even Point?
The break-even point is a crucial financial metric for any business. It represents the point at which total cost and total revenue are equal, meaning there is no net loss or gain. At this point, your business has paid all its expenses but has not yet turned a profit. Understanding this figure is essential for setting prices, managing costs, and determining the viability of a product line.
How to Calculate Break-Even Analysis
This calculator uses the standard Cost-Volume-Profit (CVP) formula. To calculate your break-even point manually, you need three key figures:
- Fixed Costs: Expenses that do not change regardless of how much you sell (e.g., rent, insurance, administrative salaries).
- Variable Costs: Costs that fluctuate directly with sales volume (e.g., raw materials, packaging, direct labor).
- Price Per Unit: The amount you charge customers for one unit of your product or service.
The Break-Even Formula
The math behind the calculation is straightforward:
Break-Even Units = Fixed Costs / (Price Per Unit – Variable Cost Per Unit)
The denominator (Price Per Unit – Variable Cost Per Unit) is known as the Contribution Margin. This is the amount from each sale that contributes to paying off your fixed costs. Once fixed costs are covered, the contribution margin becomes pure profit.
Why This Metric Matters
Calculating your break-even point helps you answer critical questions such as:
- Is my current pricing strategy sustainable?
- How many units must I sell to cover a new marketing campaign?
- If my rent increases, how many more products do I need to sell?
If your break-even point is higher than your projected sales volume, you must either increase your prices, reduce your variable costs, or lower your fixed overhead to become profitable.
function calculateBreakEven() {
// Get input values
var fixedCostsInput = document.getElementById("fixedCosts").value;
var pricePerUnitInput = document.getElementById("pricePerUnit").value;
var variableCostsInput = document.getElementById("variableCosts").value;
var errorDiv = document.getElementById("errorMessage");
var resultsArea = document.getElementById("resultsArea");
// Clear previous errors
errorDiv.style.display = "none";
errorDiv.innerHTML = "";
// Parse values
var fixedCosts = parseFloat(fixedCostsInput);
var pricePerUnit = parseFloat(pricePerUnitInput);
var variableCosts = parseFloat(variableCostsInput);
// Validation logic
if (isNaN(fixedCosts) || isNaN(pricePerUnit) || isNaN(variableCosts)) {
errorDiv.innerHTML = "Please enter valid numbers for all fields.";
errorDiv.style.display = "block";
return;
}
if (pricePerUnit = pricePerUnit) {
errorDiv.innerHTML = "Variable costs cannot be higher than or equal to the price per unit. This would result in a loss on every sale.";
errorDiv.style.display = "block";
return;
}
// Calculation Logic
var contributionMargin = pricePerUnit – variableCosts;
var breakEvenUnits = fixedCosts / contributionMargin;
var breakEvenRevenue = breakEvenUnits * pricePerUnit;
// Formatting Results
// We use Math.ceil for units because you generally can't sell partial units
var unitsDisplay = Math.ceil(breakEvenUnits);
// Format currency
var formatter = new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
});
// Update DOM
document.getElementById("breakEvenUnits").innerText = unitsDisplay.toLocaleString() + " Units";
document.getElementById("breakEvenRevenue").innerText = formatter.format(breakEvenRevenue);
document.getElementById("contributionMargin").innerText = formatter.format(contributionMargin) + " / unit";
// Visual feedback
resultsArea.style.opacity = "1";
resultsArea.style.pointerEvents = "auto";
}