Business

Subscription Box Pricing Calculator

Find the right price for your subscription box including product, packaging, shipping, and amortized customer acquisition cost.

Quick Answer

Box Price = (Product + Packaging + Shipping + CAC/avg retention months) ÷ (1 - Target Margin%). Aim for LTV/CAC ≥ 3:1.

Inputs

$
$
$
$
%
Target Box Price
$36.67/mo
Break-Even Price
$25.67/mo
LTV / CAC
8.80x

Variable cost per box: $21.50

CAC amortized per box: $4.17

Total cost per box: $25.67

Estimated LTV: $220.00 over 6 months

Margin achieved: 30.0%

About This Tool

The Subscription Box Pricing Calculator surfaces the math that kills most box businesses: customer acquisition cost amortized across average retention. Boxes that look profitable on a per-box basis often lose money once you factor in the $20-$40 it costs to acquire a subscriber and the typical 4-8 month average retention before churn. This calculator shows you the real all-in cost per box and the price you need to hit a healthy margin.

Why CAC Belongs in Box Pricing

A subscriber who pays $30/mo for 6 months and churns is a $180 customer. If you spent $40 to acquire them, you have $140 of gross revenue to cover product, packaging, shipping, and profit. Across 6 boxes, that is roughly $23 per box of variable cost capacity. If your variable cost is $20, you net only $3 per box — not enough to cover overhead, refunds, or churn-driven cohort variance. Box businesses that fail almost always failed at this math.

Retention Is the Key Lever

Doubling retention from 4 months to 8 months halves your effective CAC per box and roughly doubles per-box contribution margin. The highest-leverage investment for any box business is curation quality and unboxing experience — the things that drive month-2 and month-3 retention. Boxes that nail product variety, presentation, and inserts/community elements consistently retain longer than boxes that compete on price or quantity alone.

Pricing Tiers and Annual Plans

Annual prepaid plans dramatically improve unit economics by locking in retention. A 12-month prepay at a 15% discount converts a 5-month average retention into 12 months while only sacrificing 15% of monthly revenue. Many successful boxes (Birchbox, BoxyCharm, Bokksu) lean heavily on annual plans for this reason. Tiered pricing — standard, premium, and limited editions — lets you capture more revenue per subscriber without raising CAC.

Related Tools

See also our CAC calculator, MRR calculator, repeat purchase rate calculator, email ROI calculator, and AOV calculator.

Frequently Asked Questions

How do I price a subscription box?
Subscription box price = (Product Cost + Packaging + Shipping + Amortized CAC) / (1 - Target Margin %). Amortize CAC across the average number of months a subscriber stays. If your CAC is $30 and average retention is 6 months, that is $5 of CAC per box. Most successful boxes target 30-40% gross margin per box after CAC.
What is a good gross margin for a subscription box?
Healthy subscription box gross margins after CAC and shipping typically run 25-40%. Below 20% leaves no room for box content surprises, shipping rate changes, or churn spikes. Premium boxes ($50+) often hit 40%+ margins because product cost scales sub-linearly with price perception. Beauty and food boxes typically run lower margins due to product cost intensity.
How does CAC affect subscription box pricing?
CAC is the most important hidden cost in subscription box math. A $25 CAC on a $30 box with 4-month retention means you spent $25 to earn $120 lifetime revenue, of which only ~30% is contribution margin after product and shipping. That leaves $11 to cover overhead and profit. Boxes that fail to retain past 3-4 months almost always lose money.
What is a healthy LTV/CAC ratio for subscription boxes?
Target an LTV/CAC ratio of at least 3:1, with 4-5:1 being strong for box businesses. LTV here means contribution margin (price minus variable costs) times average lifespan, not gross revenue. A box that does $30 in revenue per month with $20 variable cost has $10 LTV per month. At $25 CAC and 6-month retention, LTV/CAC is $60/$25 = 2.4 — too low for sustainable growth.
Should I include shipping in box pricing or charge separately?
Most successful boxes include shipping in the all-in price. Customers anchor to one number and tolerate higher prices when shipping feels free. Charging shipping separately reduces conversion at checkout. The exception is international shipping — most US boxes charge international subscribers a shipping uplift to cover the actual carrier cost difference.

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