Andy R’s Roth Conversion Simulator
Run Simulation
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Inputs & Toggles
Initial Balance ($)
Scenario
Low
Mid
High
Custom
Custom Return (%)
Low Return (%)
Mid Return (%)
High Return (%)
Expense Ratio (annual, %)
Include Contributions?
Yes
No
Contribution Mode
Both
Annual
Monthly
None
Annual Contribution ($)
Monthly Contribution ($)
Apply 5‑Year Withdrawal (subtract conversion amount at end of year 5)
Conversion Amount ($)
Chart Horizon (years)
5
10
15
20
25
30
Monte Carlo
Volatility (annual, %)
Paths (max 1000)
Random Seed
Presets
Preset Name
Saved Presets
Save Preset
Load Preset
Delete Preset
Chart
Deterministic (with 5‑yr rule toggle)
Deterministic (No 5‑yr withdrawal)
MC Median
P10–P90 Band
Year‑by‑Year (Deterministic)
