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Business & eCommerceGenerated accuracy model review: 2026-05-06

Subscription Pricing Calculator accuracy and testing

This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.

Formula source

  • Recommended price = (fixed cost per subscriber + variable cost + fixed payment fee) / (1 - target margin - payment fee percent).

Test cases

Default input regression check

Generated from the checked-in default inputs and calculate function.

Inputs

  • SaaS Pricing Preset: B2B SaaS growth - 1,000 users, 72% margin
  • Expected Subscribers: 1,000
  • Fixed Monthly Costs: $12,000
  • Variable Cost per Subscriber: $4
  • Target Gross Margin: 70%
  • Payment Fee: 3%
  • Fixed Payment Fee: $0.3

Expected outputs

  • Recommended Monthly Price: $96.81
  • Projected MRR: $96,812.75
  • Cost per Subscriber: $24.00
  • Gross Profit per Subscriber: $69.71

Known limitations

  • This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
  • Use the result as a planning estimate unless the calculator page states a stricter purpose.

Assumptions

  • Rates are user-entered planning assumptions.
  • The estimate does not replace accounting, tax, payroll, legal, or marketplace-specific guidance.
  • Inputs are processed locally in the browser.

Unit handling

  • SaaS Pricing Preset accepts one of the configured options.
  • Expected Subscribers accepts numeric values.
  • Fixed Monthly Costs accepts values in $.
  • Variable Cost per Subscriber accepts values in $.
  • Target Gross Margin accepts values in %.
  • Payment Fee accepts values in %.
  • Fixed Payment Fee accepts values in $.
  • Recommended Monthly Price is displayed as currency.
  • Projected MRR is displayed as currency.
  • Cost per Subscriber is displayed as currency.
  • Gross Profit per Subscriber is displayed as currency.

Rounding rules

  • Number displays use up to 2 decimal places in the calculator UI.
  • Currency outputs are displayed with standard US dollar formatting.
  • Input precision follows configured step values where provided.

Version history

1.0.0 - 2026-05-06

Generated accuracy and testing page from the current subscription-pricing-calculator calculator definition.

Change log

2026-05-06

Published default regression test documentation and metadata fallbacks for Subscription Pricing Calculator.

Calculator transparency

Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.

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