401(k) Calculator
Calculate your projected 401(k) retirement savings, employee contributions, employer match, investment growth, and future retirement balance.
Calculate your projected 401(k) retirement savings, employee contributions, employer match, investment growth, and future retirement balance.
| Age | Salary | Your Contrib. | Employer Match | Interest Earned | End Balance |
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Planning for retirement becomes much easier when you can see how your current savings, salary, contributions, employer matching, and investment growth may affect your future retirement balance. Our 401(k) Calculator helps you estimate how much your retirement account could potentially grow by the time you reach your target retirement age.
This free 401(k) retirement calculator allows you to enter your current age, retirement age, existing 401(k) balance, annual salary, personal contribution percentage, employer match, employer match limit, expected annual investment return, and expected salary increase.
The calculator then projects your estimated 401(k) balance over time and provides a detailed breakdown of your own contributions, employer contributions, and estimated investment growth.
Whether you are just starting your first job, increasing your retirement contributions, evaluating an employer's 401(k) match, or checking whether your current savings strategy is on track, this calculator can help you explore different retirement scenarios.
The results are estimates rather than guarantees. Actual investment returns, salary changes, contribution limits, employer matching policies, fees, taxes, inflation, withdrawals, and market conditions can significantly affect your actual retirement savings.
A 401(k) is an employer-sponsored retirement savings plan commonly used by workers in the United States. Employees can generally contribute part of their eligible compensation to the plan, and some employers provide matching contributions based on their plan's rules.
Money invested through a 401(k) can potentially grow over many years. The longer your money remains invested, the more opportunity there may be for investment growth and compounding to affect your future account balance.
The specific features of a 401(k) plan vary by employer. Contribution rules, employer matching formulas, vesting schedules, investment choices, fees, withdrawal rules, and other provisions should always be checked against your actual plan documents.
A 401(k) calculator estimates how your retirement account could grow based on assumptions you provide. Instead of looking only at your current account balance, it projects future contributions and potential investment growth over your remaining working years.
The basic concept can be summarized as:
The actual calculation can be more detailed because contributions may increase as your salary increases and investment growth can compound over many years.
Our calculator lets you change the assumptions so you can compare different retirement savings scenarios rather than relying on a single fixed projection.
Using the calculator is straightforward. Enter the information that best represents your current retirement savings situation and adjust the assumptions to explore different outcomes.
Enter your current age. This tells the calculator approximately how many years you have until your planned retirement age.
Enter the age at which you currently expect to retire. The calculator uses the difference between your current age and retirement age to estimate the number of years available for additional contributions and investment growth.
Enter the amount currently saved in your 401(k). If you already have $25,000 in your retirement account, for example, enter $25,000.
Your existing balance is important because it may continue to participate in investment growth throughout the projection period.
Enter your current annual gross salary. The calculator uses your salary to estimate your employee contributions and potential employer matching contributions.
Enter the percentage of salary you plan to contribute to your 401(k). For example, if you contribute 8% of your eligible salary, enter 8%.
Increasing your contribution percentage can significantly affect long-term retirement savings because additional contributions have more time to potentially grow.
If your employer matches a portion of your 401(k) contributions, enter the applicable employer match percentage.
For example, an employer may contribute a percentage of an employee's contribution according to the company's matching formula. Employer plans differ, so use the formula specified by your plan.
Enter the percentage of salary to which the employer match applies. For example, a plan might match contributions up to a specified percentage of eligible compensation.
Always check your employer's plan documents because matching formulas can differ substantially between employers.
Enter an assumed annual investment return for your retirement projection. This value is an assumption used to estimate potential future growth and is not a prediction or guarantee of actual market performance.
If you expect your salary to increase over time, enter an estimated annual salary growth percentage. Future salary increases can affect future employee contributions and employer matching contributions when those contributions are based on salary.
After entering your assumptions, the calculator displays an estimated 401(k) balance at retirement along with your projected employee contributions, employer match, investment growth, and first-year contribution amount.
An employer match is a contribution your employer makes to your retirement account according to the rules of the company's 401(k) plan.
Employer matching formulas can take many forms. For example, an employer might contribute a certain percentage of an employee's contribution up to a specified percentage of salary.
The important point is that the exact formula is determined by the employer's retirement plan. You should not assume that every employer offers the same match.
Because employer contributions can represent a meaningful portion of long-term retirement savings, understanding your company's matching policy can be an important part of retirement planning.
The actual calculation may be limited by the percentage of salary eligible for the employer match and by the specific rules of your plan.
There is no single contribution percentage that is appropriate for everyone. The right amount depends on your income, expenses, emergency savings, debt, employer match, retirement goals, age, investment strategy, and overall financial situation.
One useful starting point is understanding your employer's matching policy. If your plan provides a match, contributing enough to qualify for the available employer match may be an important consideration.
You can use this 401(k) contribution calculator to compare different contribution percentages. Try entering 4%, 6%, 8%, 10%, or other percentages and compare the projected retirement balances.
Comparing scenarios can help demonstrate how increasing contributions earlier in your career may affect long-term retirement savings.
Investment growth is one of the major factors that can influence a long-term retirement account balance. Contributions made today may remain invested for many years, allowing potential returns to compound over time.
For example, money invested for several decades has more time to experience both positive and negative market performance than money invested for only a few years.
The calculator therefore includes an Expected Return input so you can model different hypothetical investment scenarios.
Actual investment returns are unpredictable. A constant annual return used by a calculator is only a mathematical assumption and should not be interpreted as a guaranteed investment result.
Your salary can affect retirement savings when your 401(k) contributions are calculated as a percentage of compensation. If your salary increases, the dollar amount of a percentage-based contribution may also increase.
For example, an employee contributing 8% of salary will contribute more dollars at a higher salary than at a lower salary, assuming the contribution percentage remains unchanged.
The calculator includes an Annual Salary Increase assumption so you can model a changing salary rather than assuming your current income stays constant for your entire career.
Time can be an important factor in retirement investing. Starting earlier gives contributions more time to potentially grow and compound.
Someone who starts contributing at a younger age may have more years for contributions and investment growth than someone who begins saving later, although actual results depend on contribution amounts, investment performance, fees, and other factors.
You can use the calculator to compare different starting ages and retirement ages to see how the length of the investment period affects the mathematical projection.
Your existing retirement savings can form the starting point for your future projection. A larger starting balance may have more capital available to participate in future investment growth.
Entering your actual approximate 401(k) balance can therefore produce a more useful projection than starting from zero when you already have retirement savings.
If you have multiple retirement accounts, remember that this calculator is specifically designed around the 401(k) balance and contribution assumptions entered into the tool.
Retirement age affects how long you have to make additional contributions and how long your existing savings may remain invested.
Increasing the number of years in the projection can significantly change the estimated future balance because the calculator applies contributions and assumed investment growth over the selected period.
Try different retirement ages to compare how a shorter or longer investment period changes the projected 401(k) balance.
One of the most useful ways to use a retirement calculator is to compare multiple scenarios rather than relying on one projection.
You can compare:
Scenario analysis can help you understand which assumptions have the largest effect on your projected retirement balance.
The calculator provides a year-by-year projection so you can see how your estimated retirement account may change over the investment period.
The projection can show your age, estimated salary, employee contribution, employer match, investment growth, and ending balance for each year.
Reviewing the annual schedule can make long-term retirement growth easier to understand than looking only at the final projected balance.
Your projected retirement balance can come from several different sources. Understanding these components helps explain why a long-term 401(k) balance can become substantially larger than the amount you personally contributed.
These are the contributions generated from the employee contribution percentage entered into the calculator.
These represent the estimated employer matching contributions based on the employer match assumptions entered into the calculator.
This represents the estimated growth generated by applying the assumed annual investment return to the projected retirement balance over time.
Investment growth is an estimate and actual market returns can be significantly different from the assumptions used in the calculator.
An employer match can make a meaningful difference in retirement projections. This is why our calculator includes dedicated inputs for the employer match rate and the percentage of salary to which the match applies.
For example, if a plan contributes a percentage of an employee's contribution up to a specified salary percentage, the employer contribution may increase as the employee's eligible compensation increases.
However, every employer plan has its own rules. Some plans may have different matching formulas, vesting schedules, contribution requirements, or eligibility rules.
Use the values from your actual plan documents when entering employer match assumptions.
A retirement calculator is a simplified model. Real-world retirement outcomes can be affected by many factors that are difficult to predict precisely.
Because of these factors, the projected balance should be viewed as an illustration based on the assumptions entered rather than a guaranteed amount of money available at retirement.
Many employer retirement plans may offer traditional 401(k) contributions, Roth 401(k) contributions, or both, depending on the plan.
Traditional and Roth contributions can have different tax treatment. The calculator focuses on projecting retirement account growth based on contribution and investment assumptions rather than determining your personal tax liability.
If you are deciding between traditional and Roth contributions, consider your individual tax situation and review your plan information or consult a qualified tax or financial professional.
Estimate your potential 401(k) balance at your selected retirement age using your current savings and contribution assumptions.
Include an estimated employer matching contribution based on your plan's match rate and eligible salary percentage.
Adjust your employee contribution percentage and compare how different savings rates may affect your projected retirement balance.
Include an estimated annual salary increase to model changing compensation over your working years.
Enter an expected annual return assumption to estimate potential investment growth over the projection period.
Start the projection with your existing 401(k) balance rather than assuming you are beginning with zero savings.
Review estimated salary, contributions, employer match, investment growth, and ending balance for each projected year.
Change your assumptions and immediately compare how different retirement scenarios affect the projected account balance.
The goal of a retirement calculator is not to predict the future perfectly. It is to help you understand how different assumptions could influence long-term savings.
This calculator provides hypothetical estimates for informational and educational purposes only. The projected 401(k) balance depends on the assumptions entered, including contribution rates, employer matching, salary growth, investment returns, and the length of the projection period. Actual retirement savings can be higher or lower because investment returns are not guaranteed and real-world circumstances can change. The calculator does not provide investment, tax, legal, or financial advice and should not be used as a substitute for your employer's plan documents or professional financial advice.
A 401(k) calculator is a retirement planning tool that estimates how your retirement savings could grow based on your current balance, contributions, employer match, investment return assumptions, salary growth, and retirement age.
The calculator starts with your current 401(k) balance and projects future employee contributions, employer matching contributions, salary changes, and estimated investment growth until your selected retirement age.
Your future 401(k) balance depends on your current savings, contribution rate, employer match, salary, investment returns, and years until retirement. Enter your information into the calculator to create a personalized projection based on your assumptions.
An employer match is a contribution made by an employer to an employee's retirement account according to the company's plan rules. The matching formula and limits vary by employer.
Employer contributions can increase the amount being added to your retirement account and may therefore increase the projected future balance. The actual impact depends on your employer's matching formula and your own contributions.
The appropriate contribution rate depends on your financial situation, retirement goals, income, expenses, employer match, and other factors. You can use the calculator to compare several contribution percentages and see how they affect the projected retirement balance.
Yes. You can enter an employer match percentage and the salary percentage to which the match applies. The calculator then includes the estimated employer contribution in the projection.
Yes. Enter your current age and planned retirement age. The calculator uses the number of years between those ages to project contributions and estimated investment growth.
Yes. Your current age and retirement age are important inputs because they determine how long your current balance and future contributions are modeled in the projection.
The expected return should be treated as a planning assumption, not a guaranteed rate. Consider testing multiple return scenarios to understand how sensitive the projection is to investment performance.
It can. When contributions are calculated as a percentage of salary, a higher salary can result in larger dollar contributions and potentially larger employer contributions when the employer match is salary-based.
Yes. Enter your current 401(k) balance in the calculator. This amount becomes the starting point for the future retirement projection.
Yes. Change the employee contribution percentage and compare the resulting projected retirement balances. This can help you understand the potential long-term effect of saving more or less.
Yes. You can enter an expected annual investment return, and the calculator uses that assumption to estimate potential investment growth throughout the projection period.
No. The projected balance is a mathematical estimate based on the assumptions entered into the calculator. Investment returns, salaries, contributions, employer policies, fees, inflation, and other real-world factors can change over time.
This projection is based on the contribution percentage and other assumptions entered into the tool. Actual annual contribution limits and plan-specific restrictions can change, so verify the applicable limits for the relevant tax year and your specific employer plan.
The calculator is primarily designed to project the potential growth of the 401(k) account based on contributions and investment assumptions. Taxes, inflation, fees, and other factors may affect the purchasing power and after-tax value of retirement savings.
Yes. The tool is particularly useful for U.S. employees who want to estimate retirement savings using their current 401(k) balance, salary, contribution rate, employer match, and retirement assumptions.
No. The calculator provides hypothetical projections for educational and planning purposes. It does not provide personalized investment, tax, legal, or financial advice. For important retirement decisions, consider reviewing your actual plan documents and consulting a qualified professional.