Resources & Learning
Educational articles that explain the concepts behind the calculator so you can plan with greater confidence.
How Monte Carlo Simulations Work for Retirement
Learn why running 1,000 random market sequences gives a more realistic picture of retirement risk than a single average-return projection.
Understanding Volatility %
What the volatility number really means, why the default is 15%, and how changing it affects your success rate and outcome range.
The 4% Rule Explained (and Its Limits)
Where the famous 4% safe withdrawal rate came from, when it works well, and when you should stress-test a more conservative or flexible approach.
Sequence of Returns Risk
Why the order of good and bad market years in early retirement can make or break a plan — and how Monte Carlo helps reveal it.
Building Your Nest Egg: Growth Strategies
How consistent contributions, time, and reasonable return assumptions work together — and how the growth projection in this tool can guide your saving rate.
More Articles Coming
Additional guides on Social Security, pensions, tax considerations, and more will be added soon.