How Long Will My Retirement Savings Last Calculator
Estimate how many years your retirement savings will last based on your current savings, annual withdrawals, expected return rate, and inflation.
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
Previous Results
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Frequently Asked Questions
The calculator uses the future value of a growing annuity formula to determine how long your savings will last given your annual withdrawals, expected return rate, and inflation. If the real rate of return (return minus inflation) is positive, it uses the formula: n = ln(1 - (P * r) / W) / ln(1 + r), where P is savings, W is annual withdrawal, and r is real rate. If the real rate is zero or negative, it assumes linear depletion.
If your annual withdrawal is less than or equal to the real return on your savings (i.e., your savings grow at least as fast as you withdraw), your savings will never run out. The calculator shows 'Indefinite' in that case.
This calculator is a simplified model. It does not account for taxes, fees, or changes in spending. For a more comprehensive plan, consult a financial advisor.
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