Retirement Withdrawal Calculator

Estimate annual withdrawals, withdrawal rates, or the remaining balance after taking retirement withdrawals over time. This page also keeps the formula, examples, FAQs, and references close by so you can check the result with confidence.

What This Retirement Withdrawal Calculator Helps You Do

A 4% withdrawal rate on a $1,000,000 nest egg gives $40,000 a year. Review the formula and examples below if you want to see how the result is derived.

This page is meant to give you a fast answer, but it also helps you double-check the math before you make a decision. Start with the inputs that you already know, run the calculation, and then compare the output with the formula, examples, and FAQs below so you can see whether the answer fits the situation you are modeling.

If the result looks off, the usual causes are a unit mismatch, a missing decimal, the wrong scenario, or a value that needs to be entered as a rate instead of a total. The notes on this page are designed to make those checks easy without forcing you to leave the calculator and search for context elsewhere.

  • Use the calculator first for a quick estimate.
  • Use the formula to understand how the result is built.
  • Use the examples to compare common use cases.
  • Use the references when the answer depends on a standard or assumption.

Common Checks

A quick result is useful, but the best result is one that still makes sense when you look at it a second time. If you are comparing scenarios, try changing one input at a time so you can see which variable has the biggest impact on the final answer. That makes it much easier to spot whether the calculation matches your expectations.

It also helps to keep the context of the problem in mind. A calculator can tell you the math, but you still need to decide whether the input represents a total, a rate, an average, or a category-specific assumption. When in doubt, start with a simple example from the page and scale up from there.

  • Check that every unit matches the rest of the problem.
  • Keep rates, totals, and averages separate.
  • Adjust one variable at a time when testing scenarios.
  • Use the smallest realistic input first, then scale upward.

Scenario Planning

This calculator is especially useful when you want a quick answer before you commit time, money, or effort. Try one baseline input set, then change a single number and compare the result so you can see how sensitive the answer is to that variable.

That makes the page useful for more than just arithmetic. It becomes a small decision aid that helps you compare options, test assumptions, and explain the final number with confidence when you need to share it with someone else.

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Result

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Quick Answer: A 4% withdrawal rate on a $1,000,000 nest egg gives $40,000 a year. Review the formula and examples below if you want to see how the result is derived.

How to Calculate Retirement Withdrawal Calculator

  1. Enter the nest egg: Provide the retirement portfolio value you plan to draw from.
  2. Set a withdrawal rule: Add the annual withdrawal or the withdrawal rate.
  3. Review the balance: See how long the portfolio may last with the chosen assumptions.

Retirement Withdrawal Calculator Formula

Annual withdrawal = nest egg × withdrawal rate
Variable Meaning Unit
N Retirement nest egg $
w Withdrawal rate %
A Annual withdrawal $

Worked Examples

USA - 4% rule
  • Retirement nest egg: $1,000,000
  • Withdrawal rate: 4%

Result: $40,000/year

This is the commonly cited starting point for a safe withdrawal estimate.

UK - Portfolio depletion
  • Retirement nest egg: $800,000
  • Annual withdrawal: $45,000
  • Expected annual return: 5%
  • Years: 30

Result: Balance after years

The balance can rise or fall depending on the return and withdrawal rate.

How to Interpret Your Results

Range Meaning Action
Low withdrawal rate Portfolio may last longer Compare spending needs with a sustainable rule.
High withdrawal rate Portfolio may be depleted faster Check whether spending needs to be reduced.

Frequently Asked Questions

It can. Set the withdrawal rate to 4% or any rate you prefer.

Yes. Use the balance after years output with an expected return.
Planning note: Investment returns, taxes, and inflation can change withdrawal sustainability.

References

Last reviewed: April 2026