Bankrate 401k Growth Formula:
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The Bankrate 401k Calculator estimates the future value of your 401k retirement savings based on regular annual contributions and expected rate of return. It helps you plan for retirement by projecting your account growth over time.
The calculator uses the future value of a series formula:
Where:
Explanation: The formula accounts for compound growth of your contributions over time, assuming a constant rate of return and annual contributions.
Details: Proper retirement planning helps ensure financial security in your later years. Understanding how your 401k grows helps you make informed decisions about contribution amounts and retirement timelines.
Tips: Enter your planned annual contribution in dollars, expected annual return rate as a percentage (e.g., 7 for 7%), and number of years you plan to contribute. All values must be positive numbers.
Q1: What's a typical annual return rate for 401k?
A: Historically, stock market returns average 7-10% annually, but your actual returns may vary based on your investment choices.
Q2: Should I include employer matching?
A: Yes, include both your contributions and any employer matching in the annual contribution amount.
Q3: Does this account for inflation?
A: No, the result is in today's dollars. For real value, subtract inflation rate from your expected return.
Q4: What if I increase contributions over time?
A: This calculator assumes constant contributions. For increasing contributions, you'd need a more complex calculation.
Q5: How often should I recalculate?
A: Recalculate annually or whenever your contribution amount or expected return changes significantly.