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Withdrawals

4% Rule Calculator

Translate annual spending into a target portfolio using the classic 4% rule framework.

Best used for

Models your current plan in plain English.

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Tax & Withdrawals

4% Rule Calculator

Translate annual spending into a target portfolio using the classic 4% rule framework.

Snapshot
You may need about $2,000,000 to support this spending level.
At a 4.0% withdrawal rate, $80,000 of annual spending implies a portfolio near $2,000,000.
Portfolio target
$2,000,000
Annual spending
$80,000
Your Numbers
Expected annual spending in retirement.
$
Choose the planning rule you want to use.
Results
You may need about $2,000,000 to support this spending level.
At a 4.0% withdrawal rate, $80,000 of annual spending implies a portfolio near $2,000,000.
Portfolio target
$2,000,000
Annual spending
$80,000
Withdrawal rate
4.0%
Monthly equivalent
$6,667

Target sensitivity by withdrawal rate

A lower withdrawal rate raises the portfolio target, while a higher rate lowers it but leaves less room for error.

Projected balance

The selected 4.0% rule implies a target near $2,000,000.

Important findings
What the current inputs suggest
At a 4.0% withdrawal rate, $80,000 of annual spending implies a portfolio near $2,000,000.
What changes the result most
Conservative currently leads optimistic by about $250,980, so the outcome is meaningfully sensitive to your assumptions.
How to use this result
Use the headline to frame the decision, then check the supporting metrics and timeline before acting. The output is strongest as a planning tool, not as a guarantee.

How it works

The calculation, without the clutter

1

WealthyNest uses reusable finance formulas for compounding, withdrawal targets, and cash-flow projections.

2

Each tool pairs those formulas with calculator-specific assumptions and a concise summary.

Where this tool is most useful

The 4% rule is a useful first-pass estimate for converting spending into a portfolio target, especially when paired with scenario ranges.

Key assumptions

What to sanity-check

  • Returns are smoothed estimates and do not reflect real-world market volatility.
  • All figures are in today's dollars unless the calculator is explicitly modeling inflation adjustments.
  • This tool is intended for planning, education, and comparison rather than certainty.

Companion guide

What is the 4 percent rule?

Understand where the 4% rule comes from and how to use it responsibly.

Read the guide

FAQ

Common questions

Are these outputs guarantees?

No. They are planning estimates based on your assumptions and should be updated as markets, taxes, and spending change.

Do these calculators replace professional advice?

No. They are a strong planning starting point, but tax, legal, and investment decisions should be reviewed with a qualified professional when appropriate.

How often should I revisit my inputs?

A good rule is to revisit assumptions after major income, spending, family, tax, or market changes and at least a few times per year.

Why do the optimistic and conservative scenarios matter?

They help you see how sensitive the result is to assumptions instead of anchoring on one exact output.

4% Rule Calculator | WealthyNest