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Retirement Calculators

Safe Withdrawal Rate Calculator

Apply the 4% rule (or any rate) to see a sustainable first-year withdrawal and the portfolio needed for your spending.

Enter values

Results update as you type.

Result

Annual withdrawal

$40,000.00

The 4% rule comes from historical US data for 30-year retirements; longer retirements often use 3–3.5%.

Monthly
$3,333.33
Portfolio needed for your spending
$1,125,000.00

About the Safe Withdrawal Rate Calculator

Apply the 4% rule (or any rate) to see a sustainable first-year withdrawal and the portfolio needed for your spending.

Also known as: 4 percent rule, swr calculator, fire withdrawal, safe withdrawal.

How to use this calculator

  1. Enter portfolio, withdrawal rate, annual spending (optional).
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Withdrawal = portfolio × rate

Worked example

Using the values pre-filled in the calculator above:

  • Portfolio = 1,000,000
  • Withdrawal rate = 4 %
  • Annual spending (optional) = 45,000

the calculator returns:

  • Annual withdrawal: 40,000
  • Monthly: 3,333.33
  • Portfolio needed for your spending: 1,125,000