Subscription Box Business Calculator

Calculate per‑box unit economics, monthly profit, break‑even subscribers, CAC payback, and staffing time for your subscription box. Model subscribers, churn, marketing, shipping, and fulfillment—simple and practical.

Key Benefits:

  • See true per‑box COGS: items, packaging, shipping, labor minutes, and spoilage
  • Forecast monthly profit with subscriber growth, churn, refunds, and marketing
  • Find break‑even subscribers and CAC payback; size how many subs you need
  • Check fulfillment capacity and utilization to plan hiring or outsourcing
  • Run conservative vs optimistic scenarios to de‑risk pricing and item mix
  • Share prefilled scenarios with your team to align on pricing and budgets

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Frequently Asked Questions

How do I reduce shipping impact?

Use lighter packaging, negotiate carrier rates, offer regional boxes, and consider pickup points where viable. Small reductions in average shipping per box dramatically improve margin.

What if I offer a discounted first box?

Estimate the average first‑month discount and ensure your unit margin remains positive. If not, rely on strong retention (low churn) to recover CAC and discounts within your target payback—ideally 2–6 months.

How do I handle seasonal spikes?

Run separate scenarios for peak months vs average. Ensure capacity and cash flow can handle spikes; outsourcing fulfillment for peak months can smooth utilization.
Results are estimates for informational purposes only. Consult professionals for important decisions.

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Subscription Box Business Calculator - Profit Model