Retirement Withdrawal Calculator
See how long your retirement savings will last with monthly withdrawals that rise with inflation, or how much you can withdraw each month for a set number of years.
This retirement withdrawal calculator answers the two questions retirees ask most: how long will my savings last, and how much can I safely take each month? It works month by month, raising your withdrawal once a year for inflation and growing what is left at your expected return, and shows a year-by-year table of the balance.
How to use this tool
- Choose whether you want to know how long the money lasts or how much you can withdraw.
- Enter your savings, expected annual return and how much withdrawals should rise each year.
- For "how long", enter your first-year monthly withdrawal. For "how much", enter the number of years and anything you want to leave at the end.
- Optionally enter your age to see the age when savings run out.
Formula
Each month: balance = (balance − withdrawal) × (1 + i), i = (1 + annual return)^(1/12) − 1
The withdrawal is multiplied by (1 + inflation) at the start of each new year. With no inflation, the "how much" answer equals the annuity-due formula W = P × i ÷ ((1 + i)(1 − (1 + i)^−n)).
Example
Starting at 65 with $600,000, a 5% return and $3,000 a month rising 2.5% a year, the money lasts 21 years 7 months, until about age 86.6, after paying out about $1,013,869 in total. Switching to "how much" for 30 years shows you could start at about $2,365 a month instead, rising to about $4,840 a month in the final year.
Frequently asked questions
What return should I assume?
Use a conservative figure for your actual mix of investments, after fees. A balanced portfolio is often modelled at 4–6% a year; cash and short-term bonds earn less.
Why include inflation?
Prices rise, so a fixed $3,000 buys less each year. Raising withdrawals with inflation keeps your spending power steady, which is how most retirees actually spend.
Does this account for market crashes?
No. It assumes the same return every year. A bad market early in retirement can shorten how long money lasts, so test a lower return or use a safe withdrawal rate calculator with simulated returns.
Are taxes included?
No. Withdrawals from traditional 401(k)s and IRAs are usually taxable, so enter the amount before tax that covers both your spending and the tax.
This tool gives an estimate for general information only. It is not financial, tax, legal or medical advice — check with a qualified professional before you rely on the result.
Last updated: 2026-10-30