icon

Andy R’s Roth Conversion Simulator

Public build • Modern Dark theme • Dollar + Growth Arrow icon

Open the Simulator

Tap the button below to launch the tool.

Open Simulator

How to Use

  1. Enter your starting balance and choose a return scenario (Low/Mid/High/Custom).
  2. Optional: add Annual and/or Monthly contributions.
  3. Toggle “Apply 5‑Year Withdrawal” to subtract your conversion amount at the end of year 5.
  4. Pick your chart horizon (5–30 years).
  5. Adjust Monte Carlo volatility, paths, and seed for risk simulation.
  6. Click Run Simulation to update the chart and table.
  7. Use Save Preset to store settings on your device; load them anytime.
  8. Download CSV for the deterministic curve; Export PDF for a printable copy.

Tips