Retirement Calculator

Project your future retirement portfolio and calculate passive safe withdrawal limits.

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Estimated Nest Egg
$0
Years UnTIL Retirement
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Safe Withdrawal Rate (4%/yr)
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Formula / Calculation
FV = Savings Compounded + Continuous Monthly Contributions

Planning Your Retirement Horizon

Retirement planning combines the math of compound exponential growth with the realities of safe drawdown metrics. By forecasting your current savings track, you determine whether your future "Nest Egg" will be large enough to sustain your intended lifestyle indefinitely through the 4% Safe Withdrawal Rule without depleting the principal to zero.

Core Retirement Mathematics

The 4% Rule

A widely accepted benchmark (Trinity Study) stating you can safely withdraw 4% of your total diversified portfolio incrementally indexed for inflation each year, with high statistical likelihood it will last 30+ years.

Inflation Drag

A hidden enemy. While the market averages 10% returns historically, conservative retirement planners use an adjusted 7% "Real Return" rate to account for 3% baseline inflation.

Sequence of Returns Risk

The danger of the market crashing heavily in the very first 3 years of your retirement, permanently crippling your portfolio's ability to recover while you are drawing down.

Securing Your Future

Max out "employer match" 401(k) contributions instantly — it is literal free money and 100% ROI.
Transition the portfolio gradually into more conservative bond allocations 5 years prior to retirement to dodge sequence of return risks.
Do not rely solely on government social security safety nets. Plan to self-fund entirely.
Delay lifestyle inflation in your 30s to massively boost early baseline compounding.

Frequently Asked Questions

How much do I need to retire?
Take your desired annual retirement lifestyle expenses and multiply by 25 (the inverse of the 4% rule). If you need $80,000 a year, you need a $2,000,000 portfolio.
What if I start saving at 40?
You lose the sheer explosive power of your 20s compounding, but you can aggressively catch up utilizing maximum IRA thresholds and catch-up contribution limits provided by tax authorities.