Gross profit per box
$12.41
After COGS and platform fees
Fitness
Fitness Subscription Box Calculator
Fitness and supplement subscription boxes sit at the intersection of curation and replenishment - subscribers discover new products through the box but often reorder favorites directly, which reduces the box's long-term value. The most successful fitness boxes either lean into the discovery angle with genuinely novel products each month or build a full-size replenishment model around consumable supplements.
Inputs
COGS
Price and platform
Subscribers and churn
Acquisition
12-month projection
| Month | Subscribers | MRR | Gross Profit | Net Profit |
|---|---|---|---|---|
| 1 | 111 | $4,993.89 | $1,377.52 | $301.52 |
| 3 | 131 | $5,882.17 | $1,622.54 | $546.54 |
| 6 | 155 | $6,994.73 | $1,929.44 | $853.44 |
| 9 | 175 | $7,889.63 | $2,176.28 | $1,100.28 |
| 12 | 191 | $8,609.44 | $2,374.84 | $1,298.84 |
MRR trend
Supplement vs gear boxes
Supplement-focused fitness boxes benefit from natural replenishment - subscribers run out of protein powder, pre-workout, or vitamins and need more. This creates much lower churn than gear or accessories boxes where subscribers accumulate items they already have.
The direct-to-consumer leakage problem
A common fitness box failure mode is subscribers loving a product discovered in the box, buying it directly from the brand at lower cost, and canceling the subscription. Combat this with exclusive formulations, private-label products, or brand partnerships where your box gets exclusive flavor or size variants.