Pricing
Start with free clinical nutrition calculators. Add RDCalc Pro when you need advanced nutrition-support workflows for review-stage RD practice.
Free core
Core RD calculators for common assessment workflows, available without sign-up.
No account is required for Body Weight Reference or Estimated Needs.
Pro workflows
Monthly access for advanced RD nutrition-support workflows during private review and launch preparation.
Checkout starts a 14-day RDCalc Pro trial, then continues monthly unless canceled in Stripe. Subscription access and billing management are handled through Stripe.
Pro workflows
Annual access for RDCalc Pro workflows with two months effectively included compared with monthly billing.
Checkout starts the same 14-day RDCalc Pro trial, then continues annually unless canceled in Stripe. Subscription access and billing management are handled through Stripe.
Future plan
Team and clinic workflows are planned for later. There is no active team checkout or seat management in RDCalc yet.
Free core calculators
Body Weight Reference and Estimated Needs remain available without an account. Tube Feeding Regimen Analysis and Premix Parenteral Nutrition Analysis are included with RDCalc Pro.
Clinical safety
RDCalc outputs are calculation aids for qualified nutrition and healthcare professionals. Users should verify results against clinical judgment, formula labels, patient-specific context, provider orders, and institutional policy.