What is a 401(k) Calculator?
A 401(k) calculator is a financial tool designed to project the future value of your retirement savings based on your current balance, annual contributions, employer matching, and expected investment returns. By factoring in compound interest and tax-advantaged growth, it helps you determine if you are on track to meet your retirement goals.
For the 2026 tax year, our calculator accounts for the latest IRS contribution limits, allowing you to model various scenarios including aggressive saving strategies and different market performance expectations.
How to Maximize Your 401(k) Growth
To get the most out of your employer-sponsored plan, follow these strategic steps:
- 1Secure the Full Employer MatchNever contribute less than the amount required to get your full company match. It is the only "guaranteed" 100% return in the financial world.
- 2Increase Contributions with RaisesEvery time you receive a salary increase, allocate a portion of that raise to your 401(k) before you become accustomed to the higher take-home pay.
- 3Understand the Power of TimeCompound interest works best over long horizons. A $500 monthly contribution started at age 25 grows significantly more than a $1,000 contribution started at age 35.
- 4Factor in 2026 IRS LimitsFor 2026, you can contribute up to $23,500 individually. If you are 50 or older, take advantage of the $7,500 catch-up contribution.
Frequently Asked Questions
How much should I contribute to my 401(k)?
At a minimum, you should contribute enough to receive your full employer match—this is essentially a 100% return on your investment. Financial experts typically recommend saving 15% of your gross income for retirement, which can include both your 401(k) and other accounts like IRAs.
What are the 401(k) contribution limits for 2026?
For 2026, the individual 401(k) contribution limit is $23,500. Employees aged 50 and older can make an additional catch-up contribution of $7,500, for a total of $31,000. These limits apply to elective deferrals across all 401(k) and 403(b) plans.
How does an employer match work?
An employer match is when your company contributes to your 401(k) based on your own contributions. A common formula is a 50% match on the first 6% of your salary. If you earn $100,000 and contribute $6,000, your employer would add $3,000 to your account.
2026 401(k) Limits
Individual Limit
$23,500
Catch-up (Age 50+)
$7,500
Total Limit
$70,000 (Inc. Match)