Safe Withdrawal Rate Calculator
Test any withdrawal rate against return and inflation assumptions — corpus path and depletion age, honestly simulated.
Formula
Deterministic math flatters: an average 9% return hides the sequence problem — bad early years with full withdrawals can kill a plan the averages say survives. Treat this as the optimistic boundary and keep 2-3 years of spending in stable assets as the sequence buffer.
Not financial advice — for informational and analytical use only. Verify all figures with a qualified professional before acting on them.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
Need safe withdrawal rate calculator results fast? Analysts, founders, traders and finance professionals use the Safe Withdrawal Rate Calculator to skip the spreadsheet and get a defensible answer in one step — free, private and instant.
About Safe Withdrawal Rate Calculator
Test any withdrawal rate against return and inflation assumptions — corpus path and depletion age, honestly simulated. Deterministic math flatters: an average 9% return hides the sequence problem — bad early years with full withdrawals can kill a plan the averages say survives. Treat this as the optimistic boundary and keep 2-3 years of spending in stable assets as the sequence buffer. The governing relationship is bal_{t+1} = bal(1+r) − withdrawal_t; withdrawal inflates yearly. The Safe Withdrawal Rate Calculator computes entirely in your browser — free, private (your figures never leave your device) and instant, recalculating live as you change any input.
How to use Safe Withdrawal Rate Calculator
- 1Enter Retirement corpus (currency), Withdrawal rate (year 1) (%), Portfolio return (%), Inflation (withdrawals grow) (%), Retirement length into the Safe Withdrawal Rate Calculator.
- 2The result is computed automatically using bal_{t+1} = bal(1+r) − withdrawal_t; withdrawal inflates yearly — there is no button to press.
- 3Change any input to model a different scenario, then copy or share the result.
Why use Safe Withdrawal Rate Calculator?
- ✓Computes safe withdrawal rate calculator instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the figures you enter stay private
- ✓Shows the formula, a live worked example and references so you can defend the number
Frequently asked questions
What is the formula behind the Safe Withdrawal Rate Calculator?+
Safe Withdrawal Rate Calculator uses bal_{t+1} = bal(1+r) − withdrawal_t; withdrawal inflates yearly. Deterministic math flatters: an average 9% return hides the sequence problem — bad early years with full withdrawals can kill a plan the averages say survives. The tool substitutes your actual inputs into this relationship and shows the worked example step by step.
What inputs does the Safe Withdrawal Rate Calculator need?+
Enter Retirement corpus (currency), Withdrawal rate (year 1) (%), Portfolio return (%), Inflation (withdrawals grow) (%), Retirement length and the result updates immediately — there is no button to press. Change any value to model a different scenario in real time.
Is the Safe Withdrawal Rate Calculator free, and is my data private?+
Yes — it is completely free with no sign-up or usage limit, and it runs entirely in your browser, so the numbers you enter are never uploaded or stored on any server. It is for informational and analytical use, not financial advice.
What should I watch out for when using the Safe Withdrawal Rate Calculator?+
Treat this as the optimistic boundary and keep 2-3 years of spending in stable assets as the sequence buffer.
What is the Safe Withdrawal Rate Calculator based on?+
The method follows authoritative sources: Bengen; Kitces — sequence-of-returns research. The formula and references are shown on the page so you can verify and cite the result.
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