Quantitative Planning Tools
Four calculators for exploring growth assumptions, rebalancing gaps, risk-adjusted return and dividend reinvestment effects. Every output is an estimate based on the assumptions you enter — not a forecast.
Tools Available
4
All calculations run locally in your browser
Quantitative, not predictive
Each tool below applies a defined formula to the inputs you enter. None of them attempt to forecast future market behavior — they simply calculate what a given set of assumptions implies.
Compound Portfolio Growth
Project how an initial investment plus regular contributions may grow under a chosen annual return assumption, compounded monthly.
Rebalancing Calculator
Compare your current allocation to a target and see the direction and magnitude of adjustment needed.
DRIP Calculator
Illustrates the effect of reinvesting dividends into additional shares over time, assuming a constant share price and yield.