Solo 401(k) Contribution Calculator
Maximize your retirement savings as a self-employed individual
Your Information
Important Note
If you have any other employer-sponsored retirement plans (such as a 401(k) at another job), the employee contribution limit applies across all plans. Consult with a tax professional for your specific situation.
Your Contribution Limits
Maximum employee contribution
$23,500
Maximum profit sharing contribution (20% of adjusted net earnings)
$18,587
Total potential contribution
$42,087
Limited to the lesser of your calculated amount or $70,000 (2025 limit)
Estimated tax savings
$10,521
Based on an estimated 25% tax rate. Your actual tax savings may vary.
Maximizing Your Solo 401(k)
As both employer and employee, you can make contributions in both capacities. This calculator shows what's possible, but you should consult with a financial advisor to determine the optimal strategy for your specific situation.