Compound growth with contributions, inflation adjustment, compounding frequency, and annual step-up rates.

Nominal vs inflation-adjusted returns using the Fisher equation. Purchasing power erosion over time.

Doubling time estimation. Rule of 72 vs exact calculation across 1-15% rates.

Financial Independence number, timeline, savings rate, and return sensitivity analysis.

Coast number across return rates and retirement ages. Sensitivity matrix for planning flexibility.

Percentile fan charts from 1000+ simulations. Preset volatility profiles and target probability.

Compare Ayres & Nalebuff leveraged lifecycle investing against birthday rule, target-date, and constant-mix strategies.

Required monthly savings or time to goal. Inflation-adjusted targets with PMT formula.

Expense ratio and advisory fee drag over time. Side-by-side comparison of up to 3 fee tiers.

Avalanche vs snowball strategy comparison. Interest savings and payoff timeline analysis.