401(K) Retirement Plan

401(K) Retirement Plan Calculator

Input Fields

Current ageEnter your current age

Retirement ageEnter the age you plan to retire

Current 401(k) balance

$

Enter your current 401(k) account balance

Annual contribution

$

Enter the amount you contribute annually

Employer match (%)Enter the percentage your employer matches

Expected annual return

%

Expected average annual investment return

CalculateReset

Calculate automaticallyIf enabled, the result will update automatically when you change any value.

Your Results

Estimated 401(k) Balance at Retirement

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401(K) Contribution Growth 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.