About SubscriptionBoxCalculator.us

What This Site Is

SubscriptionBoxCalculator.us is a free calculator and reference resource built specifically for the subscription box industry in the United States.

The site serves two audiences:

Subscribers — people who pay for subscription boxes and want to know if they are getting good value for their money.

Founders — people who run or want to start a subscription box business and need free tools to calculate pricing, profit, churn impact, fulfillment costs, and business viability.

Every tool on this site is free. No account is required. No calculator inputs are stored. The math runs in your browser.

Why We Built This

The subscription box industry is worth $49.7 billion in 2026 and growing at 19.8% annually. But most of the people launching boxes — and most of the people subscribing to them — are working without proper financial tools.

Founders consistently underprice their boxes, miscalculate COGS, and discover their churn rate is destroying their business only after it is too late to fix it.

Subscribers consistently overpay for boxes they barely use, underestimate their total subscription spending, and have no easy way to compare value across the boxes they subscribe to.

We built this site to solve both problems with free, unbiased, math-based tools.

What We Cover

• 10 free calculators including profit, pricing, churn, value, multi-box tracking, launch readiness, niche viability, growth simulation, cancellation analysis, and shipping cost.
• 8 box-type calculators pre-filled with real benchmarks for beauty, pet, food, kids, fitness, books, candle, and men's boxes.
• Platform comparison tools for Cratejoy, Subbly, Shopify, and 3PL vs self-fulfillment.
• Reference pages including a full glossary, industry benchmarks, statistics, best value box rankings, and FAQ.
• 7 practical guides covering pricing, profit margin, churn reduction, fulfillment costs, sourcing, marketing, and how to start a subscription box.

Our Data Sources

All benchmarks and statistics on this site are sourced from publicly available industry research. Our primary sources include:

• Recurly subscription economy research — churn rates and LTV benchmarks
• Cratejoy published seller data — platform fees and marketplace economics
• USPS, UPS, and FedEx published rate cards — shipping cost benchmarks
• The Business Research Company — market size and growth projections
• Aggregated subscriber review data — retail value estimates for best value box rankings

We update our benchmarks when new data becomes available. Current data reflects May 2026.

What We Are Not

We are not affiliated with Cratejoy, Subbly, Shopify, or any other platform mentioned on this site.

We are not sponsored by any subscription box brand.

We do not accept payment to feature, rank, or recommend specific products or platforms.

We do not run display advertising.

We earn through affiliate links — clearly disclosed wherever they appear — when users click through to platforms and services we recommend. This does not influence our calculator results, benchmarks, or editorial content.

Contact

For questions, corrections, or feedback: subscriptionboxcalculator@gmail.com

We read every message. If you find a calculation error, an outdated benchmark, or a broken page, please let us know.