Retirement calculator

Will My Money Last?

We simulate your retirement savings month by month: the balance earns a steady return while you withdraw an income that rises with inflation each year, until the money runs out or you reach life expectancy.

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The method

How it works

01 Each month the balance grows by the monthly return, then your monthly withdrawal is subtracted.
02 Once a year the withdrawal amount increases with inflation to preserve buying power.
03 If the balance reaches zero we report the age at depletion; otherwise your money is projected to last through life expectancy.

Iterative: balanceₘ = balanceₘ₋₁ · (1 + annualReturn/12) − withdrawalₘ, with withdrawal × (1 + inflation) applied annually.

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