
Retirement Drawdown Simulator
Age the money runs out — pot today plus any one-off inflow, drawn at your spend in today's money, growing at the real return, with the pension covering part of the spend from the age it starts.
What the file tells you
One question, answered in today's money for every scenario you can think of: at what age does the pot run out? Spend, returns, inflation, the pension and when it starts, a downsize — the sheet gives the run-out age, the spend that would last exactly to your plan age, and a year-by-year projection.
Anyone within ten years of retiring who has a pot, a number in mind, and no idea whether the two agree.

Excel 2016+ or Microsoft 365. Or upload the .xlsx to Google Drive — it opens in Sheets with formulas and charts intact.
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