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Calculator Description
Enter Current 401k balance ($), Annual salary ($) and Your contribution (%) and the remaining scenario settings to review retirement balance with this tool. The ending balance combines your deposits, modeled employer deposits and assumed investment growth.
Explore how employee savings and an employer match could build a workplace retirement account. Compare contributing enough to receive the modeled match with contributing a larger share of pay.
The ending balance combines your deposits, modeled employer deposits and assumed investment growth. A larger match is not the same as a higher investment return.
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Frequently Asked Questions
What information do I need for the 401(k) Calculator?
Prepare Current 401k balance ($), Annual salary ($), Your contribution (%), Employer match (%), Match limit (% of salary), Expected return (%), Years to retirement and Compound frequency. Enter salary, existing savings, employee contribution and the employer match separately; compare the contribution and growth components.
How is the employer match different from investment growth?
The ending balance combines your deposits, modeled employer deposits and assumed investment growth. A larger match is not the same as a higher investment return. Vesting, plan-specific matching rules, annual contribution limits, fees and changes in employment can alter the outcome. The projection does not verify plan eligibility.
How can I check the 401(k) calculator with an example?
Use the full settings in the worked-example table. They produce Retirement Balance: $862329; Total contributed: 190000; Employer match: 54000. Compare the method and units as well as the displayed number.
Which assumptions apply to this 401(k) calculator?
Employee and employer contributions are deposited at the end of each contribution period, including the first period. Returns and contributions are assumed constant unless entered otherwise. Enter salary, existing savings, employee contribution and the employer match separately; compare the contribution and growth components.
When should I verify the 401(k) calculator result elsewhere?
Vesting, plan-specific matching rules, annual contribution limits, fees and changes in employment can alter the outcome. The projection does not verify plan eligibility. For a transaction or account decision, compare the inputs with the applicable statement, contract or official rules.
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How to Use This Calculator
- Enter salary, existing savings, employee contribution and the employer match separately; compare the contribution and growth components.
- Fill in Current 401k balance ($), Annual salary ($), Your contribution (%) and Employer match (%); then complete the other fields shown for your selected mode. Use the field units rather than copying an unlabeled value.
- For a result check, reproduce the example beginning with Current 401k balance ($) = 10000 and Annual salary ($) = 60000; copy the remaining settings from the detailed guide.
- Use the page's Calculate or Convert control, or read the updated result where the tool recalculates automatically. Locate Retirement Balance and any supporting breakdown.
- Interpret the result with this distinction in mind: The ending balance combines your deposits, modeled employer deposits and assumed investment growth. Keep the selected inputs alongside the output when comparing scenarios.
Practical example and result check
Worked 401(k) calculator example. Set Current 401k balance ($) = 10000; Annual salary ($) = 60000; Your contribution (%) = 10; Employer match (%) = 50; Match limit (% of salary) = 6; Expected return (%) = 7; Years to retirement = 30; Compound frequency = Quarterly. The corresponding output is Retirement Balance: $862329; Total contributed: 190000; Employer match: 54000. The ending balance combines your deposits, modeled employer deposits and assumed investment growth.
Before relying on the result
- Confirm the units, dates, rates and time periods entered.
- Review which costs, measurements or assumptions are included and excluded.
- Change one important input at a time to understand the result sensitivity.
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Detailed Calculator Guide
Choose the right question for 401(k) Calculator
Explore how employee savings and an employer match could build a workplace retirement account. Compare contributing enough to receive the modeled match with contributing a larger share of pay.
Prepare the inputs
Enter salary, existing savings, employee contribution and the employer match separately; compare the contribution and growth components.
401(k) Calculator: worked input settings| Field | Example value | Entry check |
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| Current 401k balance ($) | 10000 | Check whether this amount is one-time, monthly or annual before entering it. |
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| Annual salary ($) | 60000 | Use the amount for this scenario in the currency and period shown by the field. |
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| Your contribution (%) | 10 | Enter a percentage in the form requested by the field, keeping its stated time basis. |
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| Employer match (%) | 50 | Enter a percentage in the form requested by the field, keeping its stated time basis. |
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| Match limit (% of salary) | 6 | Use the amount for this scenario in the currency and period shown by the field. |
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| Expected return (%) | 7 | Enter a percentage in the form requested by the field, keeping its stated time basis. |
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| Years to retirement | 30 | Use the period unit in the field label; months and years are not interchangeable. |
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| Compound frequency | Quarterly | Check the selected interval against the payment, deposit or growth assumptions. |
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Follow the calculation
Relationship used for this example: FV = P(1+i)^N + C × ((1+i)^N − 1)/i; at i=0, FV=P+C×N.
The ending balance combines your deposits, modeled employer deposits and assumed investment growth. A larger match is not the same as a higher investment return.
Assumptions for this model: Employee and employer contributions are deposited at the end of each contribution period, including the first period. Returns and contributions are assumed constant unless entered otherwise.
Read the worked result
Results for the worked settings| Output | Displayed result |
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| Retirement Balance | $862329 |
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| Total contributed | 190000 |
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| Employer match | 54000 |
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With these settings, retirement balance is $862329. Use the same units and calculation mode when reproducing this example.
How is the employer match different from investment growth?
The ending balance combines your deposits, modeled employer deposits and assumed investment growth. A larger match is not the same as a higher investment return. Vesting, plan-specific matching rules, annual contribution limits, fees and changes in employment can alter the outcome. The projection does not verify plan eligibility.
Apply the result to your own scenario
Replace the illustrative current 401k balance ($) value (10000) with your own value, then complete the other inputs for the same scenario. Enter salary, existing savings, employee contribution and the employer match separately; compare the contribution and growth components.
Sources and method notes
