Subscription Box Profit Calculator
Per-box margin and cohort profit.
Enter your values
Enter the box price in $.
Enter the cost of goods in $.
Enter the shipping and packaging in $.
Enter the monthly churn in %.
Enter the acquisition cost in $.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Lifetime profit per subscriber
- $108.00
- Contribution per box
- $13.50
- Average subscription length
- 11.1 months
- Payback
- 3.1 boxes
Quick answer
Subscription box profit depends on per-box contribution surviving long enough to repay acquisition cost.
Cohort profit = contribution × months − CAC
At a glance
| What it does | Per-box margin and cohort profit. |
|---|---|
| Category | Business |
| Inputs needed | Box price, Cost of goods, Shipping and packaging, Monthly churn, Acquisition cost |
| Main output | Lifetime profit per subscriber |
| Formula | Cohort profit = contribution × months − CAC |
| Cost | Free — no sign-up, no download |
How to use the Subscription Box Profit Calculator
- 1Enter box price and cost of goods.
- 2Add shipping and packaging.
- 3Enter churn and acquisition cost.
Inputs explained
- Box price($)
- Enter the box price in $.
- Cost of goods($)
- Enter the cost of goods in $.
- Shipping and packaging($)
- Enter the shipping and packaging in $.
- Monthly churn(%)
- Enter the monthly churn in %.
- Acquisition cost($)
- Enter the acquisition cost in $.
Worked example
Using the values the calculator loads with:
Inputs
- Box price34 $
- Cost of goods13 $
- Shipping and packaging7.5 $
- Monthly churn9 %
- Acquisition cost42 $
Results
- Lifetime profit per subscriber$108.00
- Contribution per box$13.50
- Average subscription length11.1 months
- Payback3.1 boxes
Frequently asked questions
What churn is normal?
6–10% monthly for consumer boxes.
Should the first box be discounted?
Only if payback still lands inside three boxes.
What do I need to enter into the Subscription Box Profit Calculator?
Just 5 values: box price, cost of goods, shipping and packaging, monthly churn, acquisition cost. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Subscription Box Profit Calculator work out the answer?
Subscription box profit depends on per-box contribution surviving long enough to repay acquisition cost. It applies the formula Cohort profit = contribution × months − CAC and shows the working so you can check each step by hand.
Is the Subscription Box Profit Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.