Two calculators, each the interactive version of a method the library teaches — because a method you can type numbers into gets used, and one you merely read gets nodded at.
MoneyTrue-cost calculator
Turn any provider quote — teaser months, fees, dose steps — into the honest 12-month total, per the method.
NutritionProtein-target calculator
Your 1.2–1.6 g/kg daily range with per-meal splits and food equivalents, per the playbook.
What belongs here next
The queue mirrors the library: tools ship only when a published method backs them, with the same no-dark-patterns rules as everything else — no email walls, no urgency mechanics, numbers you can check by hand.