Tools
Compound interest calculator
What you put in, and what the compounding put in. Most calculators show one growing line; the useful question is how much of the final number you actually contributed — and what it is worth once inflation has had its turn.
Assumptions
Year by year
Today’s dollars strips out inflation at the rate you set.A rate of return is not a plan.
The full planner runs this alongside your real tax, your debts and your spending — and tells you the year the portfolio can cover your life without you.