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401(K) Retirement Plan

Use this 401(K) Retirement Plan calculator to estimate your future retirement savings based on your current contributions, employer matching, salary growth, and investment returns. Perfect for employees planning for a financially secure retirement.

401(K) Retirement Plan Calculator

Input Fields
Enter your current age
Enter the age you plan to retire
$
Enter your current 401(k) account balance
$
Enter the amount you contribute annually
Enter the percentage your employer matches
%
Expected average annual investment return
If enabled, the result will update automatically when you change any value.

401(K) Contribution Growth Formula

Formula
$$FV = P \times (1 + r)^t + PMT \times \left( \frac{(1 + r)^t – 1}{r} \right)$$

Where:

  • $$FV$$ = Future value of the retirement plan
  • $$P$$ = Initial principal (current 401(K) balance)
  • $$r$$ = Annual return rate (as decimal)
  • $$t$$ = Number of years until retirement
  • PMT = Annual contribution (including employer match)


The 401(K) Retirement Plan calculator helps you visualize how your savings will grow over time, considering regular contributions, employer matches, expected salary increases, and investment returns. It is a critical tool for setting realistic retirement goals and adjusting your contribution strategy to meet your future needs. Typical input variables include your current age, planned retirement age, current 401(K) balance, annual contribution percentage, employer match, and expected investment growth rate.

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