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Retirement Monte Carlo for a pension

Simulate a pension live in your browser. This runs the real Retirement Monte Carlo solver — adjust the inputs, watch it respond instantly, and export the result. No install, no account.

Retirement Monte CarloLive

Controls

Presets

Markets are uncertain, so a single projection lies. This shows a band of outcomes: even with the same average return, higher volatility widens the gap between a great result and a disappointing one. Educational tool, not financial advice.

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Data Inspector

Median outcome$4453k
10th percentile$229k
90th percentile$197506k

Governing equation

Reading this result: The 10th–90th band spans about 863.6× — even at a steady 6% average, uncertainty compounds over 30 years into a wide range of endings.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

or unlock everything with Pro →

About this simulation

The full Retirement Monte Carlo tool models a pension with the same numerics engineers and scientists use — running entirely client-side. Change any parameter and the result updates in real time, so you can build intuition, check a design, or teach the concept without spreadsheets or installs.

More you can do with Retirement Monte Carlo

Other ways to simulate a pension

Frequently asked questions

How do I simulate a pension?
Open this page and use the live Retirement Monte Carlo tool below — set your inputs and the simulation runs instantly in your browser using real numerics. No install, no account needed.
Is it free?
Yes. The simulation runs free in your browser. A one-time unlock or a Pro plan adds advanced parameters, saved presets, data import, and clean exports.
Can I use my own numbers?
Absolutely — every input is adjustable, and with data import you can drive a pension from your own measurements.