Free Tool

Ecommerce Break-Even Calculator

Calculate break-even for your ecommerce business using industry-specific benchmarks and defaults.

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Break-Even Units

667

Units to sell monthly to cover costs

Break-Even Revenue

$16,667

Monthly revenue needed

Contribution Margin

$15

Profit per unit after variable costs

Contribution Margin Ratio

60.0%

Contribution margin as % of price

How to Use This Break-Even Calculator

Enter your monthly fixed costs — the expenses that stay constant regardless of how much you sell. For ecommerce businesses, this typically includes Cost of goods sold (inventory), Shipping and fulfillment, Payment processing fees.

Enter the price you charge per unit and the variable cost per unit. Variable costs are the expenses that increase with each sale — materials, labor per unit, transaction fees. The difference between price and variable cost is your contribution margin.

Need more than a calculator for your ecommerce finances?

Our Ecommerce Financial Model and Pro Forma Template gives you a complete, ready-to-use Excel spreadsheet with industry-specific categories, formulas, and dashboards. Skip the setup — start analyzing in minutes.

Break-Even Calculator for Ecommerce Businesses

Break-even analysis is especially important for ecommerce businesses because of the industry's specific cost structure. Fixed costs like Cost of goods sold (inventory) and Shipping and fulfillment must be covered before you see any profit. Knowing your break-even point helps you set realistic revenue targets and evaluate whether a new location, product line, or expansion makes financial sense.

Heavy Q4 concentration around Black Friday, Cyber Monday, and holiday gifting. Many categories also spike in January (post-holiday), back-to-school (August), and Mother's Day. This means your break-even point effectively shifts throughout the year. During peak seasons you may comfortably exceed break-even and build reserves. During slow periods you may dip below it. A monthly break-even calculation — rather than just annual — gives you the visibility to plan for these swings.

Ecommerce Industry at a Glance

Financial templates built for ecommerce businesses — from Shopify stores to Amazon sellers. Pre-loaded with SKU-level line items, platform fee categories, return tracking, and the metrics that drive online retail profitability.

Revenue Drivers

  • Direct-to-consumer product sales
  • Wholesale and B2B orders
  • Marketplace sales (Amazon, eBay, Etsy)
  • Subscription or bundle revenue

Key Cost Categories

  • Cost of goods sold (inventory)
  • Shipping and fulfillment
  • Payment processing fees
  • Platform and marketplace fees
  • Returns and refunds
  • Digital advertising and customer acquisition

Typical Margins

Gross: 30-55% · Net: 5-15%

Seasonality

Heavy Q4 concentration around Black Friday, Cyber Monday, and holiday gifting. Many categories also spike in January (post-holiday), back-to-school (August), and Mother's Day.

Key Performance Indicators

Average order value (AOV)Customer acquisition cost (CAC)Return rateGross margin by SKURepeat purchase rate

Frequently Asked Questions