Subscription Break-Even Calculator

Calculate how many months it takes to break even on a subscription customer. Essential for CPG, supplements, and subscription box brands.

Free Tool

Subscribe & Save Break-Even Forecaster

Forecast subscription revenue vs one-time purchases. Find the exact break-even month, subscriber LTV, and LTV:CAC ratio with an interactive chart.

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Formula

Break-Even Month = Month where Cumulative Subscription Revenue > One-Time Purchase Profit

What is Subscription Break-Even?

Subscription break-even is the month when the cumulative revenue from a subscriber exceeds the profit from a one-time purchase of the same product. Before this point, you're effectively "investing" in the customer relationship through the subscription discount.

This calculator forecasts revenue curves for both models, accounting for customer acquisition cost (CAC), product cost, monthly churn, and subscription pricing — showing you exactly when subscriptions become more profitable than one-time sales.

Key Subscription Metrics

  • LTV (Lifetime Value): Total revenue a subscriber generates over their entire relationship. LTV = ARPU × Average Lifespan
  • LTV:CAC Ratio: Should be at least 3:1 for a healthy subscription business. Below 1:1 means you're losing money on every subscriber
  • Churn Rate: Percentage of subscribers who cancel each month. Lower churn = higher LTV = faster break-even
  • Average Lifespan: 1 ÷ Monthly Churn Rate (e.g., 10% churn = 10-month average lifespan)

How to Reduce Subscription Churn

  • Flexible scheduling: Let customers skip, pause, or adjust delivery frequency
  • Surprise & delight: Include free samples or exclusive items periodically
  • Usage reminders: Send emails when it's time to reorder based on typical consumption
  • Cancellation save flow: Offer alternatives (pause, discount, swap) before allowing cancellation
  • Community building: Create subscriber-only content, early access, or loyalty rewards

Frequently Asked Questions

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Offering a "Subscribe & Save" discount is standard for CPG and supplement brands. You lose money on the first order to acquire the customer, but make it back on subsequent rebills. This calculator tells you exactly when that break-even point happens.

The Subscription Math Problem

If your product costs $20 to make, and you sell it for $50: - Normal Sale: $30 profit - 20% Subscribe & Save Sale: You sell it for $40. Profit is $20. - If it cost you $40 in ads (CAC) to acquire that customer... - First Order Result: You lose $20.

You rely on the customer staying subscribed for Month 2 and Month 3 to finally turn a profit.

Key Metrics to Track

  1. First-Order Profitability: Are you cash-flow positive or negative on month one?
  2. Break-Even Month: In which month does cumulative profit surpass your CAC?
  3. Churn Rate: What percentage of customers cancel before reaching the break-even month?

Use our calculator to model 10%, 15%, and 20% discount tiers and see how many billing cycles you need to survive before turning a profit.

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