Healthcare & Medical Costs / Dental & Vision

Orthodontics Payment Plan Calculator

Implementation Specifications

This calculator is planned and documented. The formulas and guidance below are ready for implementation.

Required Inputs

  • Total treatment cost
  • Insurance orthodontic benefit (lifetime)
  • Down payment
  • Interest rate (if financed)
  • Payment term (months)

Formulas & Calculations

Out-of-pocket total = Total cost - Insurance benefit
Amount to finance = Out-of-pocket - Down payment
Monthly payment = Finance amount × [r(1+r)^n] / [(1+r)^n - 1]
Total paid = Down payment + (Monthly payment × Months)
Interest paid = Total paid - Out-of-pocket total

Status: Specification complete, implementation pending

To implement: Create app/components/calculators/orthodontics-payment-plan-calculator.tsx and register in app/lib/calculator-registry.ts