Back to calculator
Creator Economy & Digital ProductsGenerated accuracy model review: 2026-05-06

Lemon Squeezy Fee 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

  • Gross order revenue = order price x orders. Net revenue = gross revenue x (1 - refund rate) - platform fee - processing fee - fixed fees - tax/reserve adjustment - fulfillment costs.

Test cases

Default input regression check

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

Inputs

  • Order Price: $79
  • Orders: 100
  • Platform Fee: 5%
  • Payment Processing Fee: 3%
  • Fixed Fee per Order: $0.3
  • Tax/Reserve Adjustment: 0%
  • Refund Rate: 2%
  • Fulfillment Cost per Order: $2

Expected outputs

  • Estimated Net Revenue: $6,892.64
  • Gross Order Revenue: $7,900.00
  • Total Deductions: $1,007.36
  • Effective Deduction Rate: 12.75%

Known limitations

  • These calculators are planning tools. They do not fetch current platform pricing, read private dashboards, model taxes, guarantee sponsor demand, or replace legal, tax, accounting, or contract review.

Assumptions

  • All fees, rates, commissions, CPMs, conversion rates, refund rates, and costs are user-entered assumptions.
  • No current Gumroad, Lemon Squeezy, Patreon, podcast advertising, or brand deal pricing is hardcoded.
  • Platform and deal estimates depend on the assumptions entered and should be checked against your current agreement, dashboard, or invoice.
  • Calculations are deterministic and run locally in the browser without storing private creator revenue data.

Unit handling

  • Order Price accepts values in $.
  • Orders accepts numeric values.
  • Platform Fee accepts values in %.
  • Payment Processing Fee accepts values in %.
  • Fixed Fee per Order accepts values in $.
  • Tax/Reserve Adjustment accepts values in %.
  • Refund Rate accepts values in %.
  • Fulfillment Cost per Order accepts values in $.
  • Estimated Net Revenue is displayed as currency.
  • Gross Order Revenue is displayed as currency.
  • Total Deductions is displayed as currency.
  • Effective Deduction Rate is displayed as a percentage.

Rounding rules

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

Version history

1.0.0 - 2026-05-06

Generated accuracy and testing page from the current lemon-squeezy-fee-calculator calculator definition.

Change log

2026-05-06

Published default regression test documentation and metadata fallbacks for Lemon Squeezy Fee Calculator.

Calculator transparency

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

Use calculator