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Individual 401(k) Saving Calculator

Individual 401(k) Savings Calculator

An Individual 401(k) can be one of the best tools for the self-employed to create a secure retirement. First, all contributions and earnings to your Individual 401(k) are tax-deferred. You only pay taxes on contributions and earnings when the money is withdrawn. Second, it has very high contribution limits – allowing you to contribute more to your Individual 401(k) each year. The combined result is a retirement savings plan you can’t afford to pass up.


Self-employment Income
This is your annual income from self-employment. Your maximum contribution is based on your self-employment income; do not include any income you may receive from other sources.

Annual Contribution
The amount you will contribute to your Individual 401(k) each year. All contributions are assumed to happen at the beginning of the year.

Maximum Annual Contribution
This is the maximum amount you are allowed to contribute to your Individual 401(k) account per year. In 2012, the maximum contribution to an Individual 401(k) is $50,000 for individuals under 50, and $55,500 for those 50 and over. Self-employment income of $174,159 or more is required to qualify for the maximum contribution in 2012.

If you earn less than $174,159 in 2012, your maximum is calculated as follows: First, as the employee, you are able to contribute up to $17,000 in 2012 to your Individual 401(k) or 100% of your self-employment income, whichever is less. For individuals age 50 or over, an additional $5,500 catch-up contribution increases this portion of your contribution to $22,500, but still limited to no more than 100% of your earned income. Second, you are allowed employer contributions – even though self-employed people are fact their own employee. Employer contributions, for the self-employed, are limited to an additional 25% of adjusted net business profits, up to the maximum total amount allowed per year.

As an example, consider a 25-year-old self-employed person with an net income of $40,000 per year. They would be able to contribute:


It is important to note that you may be subject to additional contribution limitations if you participate in an additional retirement program through another employer. For 2012, total retirement plan contributions are limited to $50,000 or 100% of your total compensation for the year ($55,500 if age 50 or older). This includes contributions to your Individual 401(k) as well as any other employer plan. It also includes profit matching and employer contributions. Contributions to a Traditional IRA or Roth IRA are not included in this limit. Catch-up contributions for individuals over 50 are also not included in this limit.

Current Age
Your current age.

Age of Retirement
Age you wish to retire. This calculator assumes that the year you retire, you do not make any contributions to your Individual 401(k). So if you retire at age 65, your last contribution happened when you were actually 64.

Current Individual 401(k) BalanceThe starting balance or current amount you have invested or saved in your Individual 401(k).

Annual Rate of Return
The annual rate of return for your Individual 401(k) account. This calculator assumes that your return is compounded annually and your deposits are made monthly. The actual rate of return is largely dependent on the type of investments you select. The S&P 500 for the ten years ending on December 31st, 2011 had an annual compounded rate of return of 2.92%, including reinvestment of dividends. From January 1970 through the end of 2011, the average annual compounded rate of return for the S&P 500, including reinvestment of dividends, was approximately 10.01% (source: Since 1970, the highest 12-month return was 61% (June 1982 through June 1983). The lowest 12-month return was -43% (March 2008 to March 2009). Savings accounts at a bank may pay as little as 0.25% or less but carry significantly lower risk of loss of principal balances.

It is important to remember that these scenarios are hypothetical and that future rates of return can’t be predicted with certainty and that investments that pay higher rates of return are generally subject to higher risk and volatility. The actual rate of return on investments can vary widely over time, especially for long-term investments. This includes the potential loss of principal on your investment. It is not possible to invest directly in an index and the compounded rate of return noted above does not reflect sales charges and other fees that funds and/or investment companies may charge.

Information and interactive calculators are made available to you as self-help tools for your independent use and are not intended to provide investment advice. We cannot and do not guarantee their applicability or accuracy in regards to your individual circumstances. All examples are hypothetical and are for illustrative purposes. We encourage you to seek personalized advice from qualified professionals regarding all personal finance issues.