401k Calculator

A 401k calculator helps you estimate your retirement savings growth by including employer matching, contribution limits, and compound interest over time. Use our free calculator below to project your 401k balance and understand how different contribution rates impact your retirement wealth. This tool accounts for annual contributions, employer matches, and expected investment returns to give you a realistic retirement savings estimate.

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How the 401k Calculator Works

1
Current Balance: Enter your existing 401k balance or start with $0 if you're just beginning.
2
Annual Contribution: Input how much you'll contribute yearly, including employer matching up to federal limits.
3
Expected Return: Use a conservative 6-8% annual return based on historical market averages.
4
Time Horizon: Specify years until retirement to see compound growth effects.

401k Growth Formula

Future Value = PV × (1 + r)^n + PMT × [((1 + r)^n - 1) / r]

PV = Present Value (current 401k balance)

PMT = Annual contribution (including employer match)

r = Annual return rate (as decimal)

n = Number of years until retirement

Example 401k Calculation

If you start with $10,000 in your 401k, contribute $6,000 annually (with $1,800 employer match), and earn 7% average returns for 25 years, your estimated 401k balance would be approximately $658,000 at retirement.

This shows how compound growth and employer matching significantly accelerate retirement savings over time.

Benefits of Using a 401k Calculator

Maximize Employer Matching: Ensure you're getting full company contributions.
Plan Retirement Goals: Set realistic savings targets based on projections.
Optimize Contributions: Find the sweet spot between current income and future security.
Understand Compound Growth: See how time dramatically increases your retirement wealth.

Frequently Asked Questions

How much should I contribute to my 401k?

Financial experts recommend contributing at least enough to get your full employer match, ideally 10-15% of your income including employer contributions.

What is the 401k contribution limit for 2024?

The 2024 401k contribution limit is $23,000 for employees under 50, and $30,500 for those 50 and older (including catch-up contributions).

How accurate is this 401k calculator?

Our calculator uses standard compound interest formulas. Actual returns vary based on market conditions, investment choices, and economic factors.

Ready to Plan Your Retirement?

Start calculating your 401k growth and take control of your financial future.

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