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How to Calculate Retirement Withdrawal

Plan 401(k)/IRA withdrawals with the 4% rule.

The Formula

Balance depletion with growth

The retirement withdrawal formula uses the mathematical relationship: Balance depletion with growth. Each variable in the formula represents a measurable quantity that affects the final result.

Step-by-Step Method

  1. 1Identify all input values needed for the retirement withdrawal calculation.
  2. 2Substitute your known values into the formula: Balance depletion with growth.
  3. 3Perform the arithmetic operations in the correct order (PEMDAS/BODMAS).
  4. 4Check that your result has the correct units and is within a reasonable range.
  5. 5Verify using the interactive Retirement Withdrawal Calculator to confirm your answer.

Related Topics

retirement withdrawal4% rule401kira

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