Free 401(k) Calculator

See how your 401(k) can grow over time with employer match, annual returns, and salary increases. No sign‑up, no uploads — 100% private.

📋 Your 401(k) Details

Your age today
When you plan to stop working
Your account balance now
Gross pre‑tax income
% of salary you defer
e.g., 50% means they match half of what you put in
The cap on employer matching
Historical S&P 500 ~ 10%
Avg. raise each year

📈 Your 401(k) Projection

Year Age Balance Employee Cont. Employer Cont. Investment Return
🔒

Your privacy matters. This free 401(k) calculator runs entirely in your browser. No data is collected, stored, or shared. Your financial details never leave your device.
Run as many projections as you want — 100% private, free, and unlimited.

How to Use This Free 401(k) Calculator

This free 401(k) calculator helps you estimate how much you’ll have saved by retirement. Enter your current age, expected retirement age, and your current 401(k) balance. Then add your annual salary, the percentage you contribute, and your employer’s match details. Finally, set an expected annual return and salary growth rate.

Once you click “Calculate,” the 401(k) retirement calculator shows your total projected balance, along with a year‑by‑year breakdown. You’ll see exactly how much comes from your contributions, your employer’s match, and investment growth. The interactive chart makes the long‑term power of compound returns easy to visualize.

Because this is a free 401(k) estimator with employer match, you can experiment with different contribution levels and return assumptions without any cost or registration. Everything happens right in your browser — no uploads, no emails, no hidden fees.

Why People Choose Our 401(k) Calculator

🔒 Fully Private

No data is ever sent over the internet. This 401(k) calculator no sign‑up tool works offline in your browser.

📊 Employer Match Included

Unlike basic calculators, this free 401k calculator with employer match accurately captures how your company’s contribution boosts your savings.

📈 Year‑by‑Year Detail

See exactly how your balance grows each year. The 401(k) growth calculator shows contributions, matches, and investment returns in a clear table.

🆓 Truly Free, Always

This free retirement calculator has no limits, no watermarks, and no premium upsells — just honest financial planning.

Frequently Asked Questions

How does a 401(k) calculator help me?

It gives you a clear picture of whether you’re on track for retirement. By entering your current savings and future contributions, you can see if you need to save more, adjust your investments, or work a few extra years.

Does this calculator include employer matching?

Yes! This free 401(k) calculator with employer match lets you set the match percentage and cap. It automatically applies the match each year, up to the limit you specify.

What return rate should I use?

A common assumption is 6‑8% for a balanced portfolio. The S&P 500 has historically returned about 10% annually. For more conservative estimates, use 5‑6%. This 401(k) growth estimator lets you test different scenarios.

Is my financial information safe?

Absolutely. This private 401(k) calculator processes everything inside your browser. No data is transmitted, stored, or visible to anyone else.

Can I see year‑by‑year results?

Yes. After calculation, you’ll get a full table and chart showing the balance, contributions, and investment returns for every year until retirement.

Learn how to use this tool correctly by reading our step-by-step tutorial.

View Detailed Tutorial →